Gilgo Beach Murders: A Serial Killer’s Secrets?

Summary

20/20 Podcast Summary: "Gilgo Beach Murders: A Serial Killer’s Secrets?"

Released on February 4, 2025 by ABC News

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Introduction

The "20/20" episode titled "Gilgo Beach Murders: A Serial Killer’s Secrets?" delves deep into one of Long Island's most harrowing true crime cases. Hosted by Deborah Roberts and featuring commentary from Ryan Reynolds, the episode explores the complex investigation into the Gilgo Beach murders, the alleged perpetrator Rex Heuermann, and the lingering questions surrounding the case.

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Background of the Gilgo Beach Murders

The Gilgo Beach murders refer to the discovery of at least eleven bodies, predominantly women and many dismembered, along a half-mile stretch of Gilgo Beach and nearby woods on Long Island's south shore. Originally uncovered in the early 2000s, these murders instilled fear and uncertainty within the local communities for over a decade.

Key Quotes:

• Investigator [02:19]: "For more than a decade, those unsolved murders kept Long Island shore towns on edge."
• Deborah Roberts [02:24]: "Could four murders on Long Island be the work of a serial killer? We want to bring to justice this."

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Emergence of Rex Heuermann as a Suspect

Rex Heuermann, a Manhattan architect, emerged as the prime suspect after years of investigation. Prosecutors charged him with the deaths of seven women, revealing details of his alleged double life—a respected professional by day and a predator by night.

Key Quotes:

• Ryan Reynolds [03:10]: "Authorities say the man who committed most of these monstrous crimes is Rex Heuermann, an architect, husband, and father by day, and they say a killer by night."
• Expert Commentator [03:32]: "How does he have a wife, daughter, son living in a neighborhood of families? How did he have the time to run a business and do all that he did?"

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Investigation and Uncovering the Double Life

The investigation revealed Heuermann's meticulously planned activities, including a chilling document outlining strategies for selecting and disposing of victims. Authorities also discovered his connection to violent pornography and his obsessive interest in the Gilgo Beach serial killings.

Key Quotes:

• Prosecutor [04:08]: "Today, my office filed a superseding indictment charging the defendant Heuermann with a seventh murder."
• Criminologist [05:22]: "A lot of what serial killers get off about is the planning. I am smarter than all of them. I beat the authorities. They can't catch me. And look how successful I am at this."

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Survivor and Witness Accounts

The podcast highlights accounts from survivors and witnesses, including a woman who narrowly escaped Heuermann's grasp and another who went on a date with him, leading to terrorizing experiences. These personal stories add a human dimension to the cold facts of the case.

Key Quotes:

• Survivor [01:41]: "Please."
• Survivor [02:06]: "I remember everything about that night because he scared the crap out of me."
• Nikki Brass [21:01]: "He was like, I have a lot of money. I could take care of you."

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Breakthroughs in the Case

Significant breakthroughs occurred when law enforcement traced burner phone activity to Heuermann and secured DNA evidence from unconventional sources like a pizza crust. These pieces of evidence were pivotal in linking Heuermann to the crimes definitively.

Key Quotes:

• Investigator [27:20]: "Prosecutors were increasingly confident, but they needed more. They needed a direct DNA sample from Rex Heuermann, and they got it from pizza crust."
• Prosecutor [28:27]: "They had to track what's called the mitochondrial DNA of that hair and see that it was closely connected to Rex Heuermann's wife and or daughter."

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Expanded Victim List and Ongoing Investigations

The investigation extended beyond the initial victims, linking Heuermann to the unsolved 1993 murder of Sandro Castilla and other unidentified bodies found at Gilgo Beach. Authorities believe there are potentially more victims yet to be discovered.

Key Quotes:

• Deborah Roberts [30:15]: "It introduced a brand new location and it also drastically expanded the timeline previously associated with this case."
• Law Enforcement Official [31:38]: "Prosecutors have no doubt. They say Rex Heuermann is their guy, is the serial killer. They've charged him now with seven murders and I would expect that if they can build the evidence, they will charge him with more."

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Legal Proceedings and Current Status

Rex Heuermann has pleaded not guilty to all charges. The legal battle is ongoing, with prosecutors confident in their evidence but facing the challenge of presenting DNA and observational data that conclusively link Heuermann to the murders.

Key Quotes:

• Deborah Roberts [04:47]: "He's pleaded not guilty to all the charges. He's a man who's never been arrested before. He's maintained his innocence from the inception of this case."
• Prosecutor [29:15]: "When police initially recovered the bodies, they were able to find hair samples, some of them female."

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Conclusion and Future Implications

The Gilgo Beach murders case remains a stark reminder of the vulnerabilities faced by marginalized individuals and the complexities involved in apprehending serial offenders. As the investigation continues, the hope is to bring closure to the families of the victims and prevent further tragedies.

Key Quotes:

• Deborah Roberts [31:53]: "I absolutely think, sadly, that there will be many more victims associated with this case."
• Expert Commentator [25:42]: "He had a big ego, that's for sure. A big head on his shoulders."

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Final Notes

The "Gilgo Beach Murders: A Serial Killer’s Secrets?" episode provides a comprehensive and chilling exploration of one of America's enduring true crime mysteries. Through expert interviews, survivor testimonies, and detailed investigative reporting, "20/20" offers listeners an in-depth understanding of the case and its profound impact on the Long Island community.

For those seeking further details, the episode is available for streaming on Hulu under the title "Gilgo Beach: A Serial Killer’s Secrets."

Transcript

[Ryan Reynolds]

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[Deborah Roberts]

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This is Deborah Roberts, co anchor of 20 20. This week we'll be bringing you a deep dive into the Gilgo beach murders. From Impact by Nightline, the number of alleged victims has grown. Prosecutors now have charged a Manhattan architect with the deaths of seven women. Here's an inside look at the alleged double life of the accused killer.

[Ryan Reynolds]

A Manhattan professional by day and a serial killer by night. Rex Sherman is a demon that walks among us. Was he leading a horrific double life?

[Expert Commentator]

It's like two different people, like Jekyll and Hyde.

[Ryan Reynolds]

Authorities now charging him with a seventh killing. The shocking evidence in court filings that law enforcement says are detailed plans to hunt and kill.

[Deborah Roberts]

He's talking about preferences, ways to improve. He's saying things like, use a thicker rope so it doesn't break under pressure. Hit harder next time.

[Ryan Reynolds]

The random 911 call that prompted intensive searches. You saw yourself.

[Survivor]

Please.

[Ryan Reynolds]

And meet the woman who believes she escaped the Gilgo killer.

[Survivor]

I remember everything about that night because he scared the crap out of me.

[Ryan Reynolds]

Gilgo Beach, a spot that had once been synonymous with summer surfing and fun in the sun. That is, until police started finding body after body.

[Investigator]

For more than a decade, those unsolved murders kept Long island shore towns on edge.

[Deborah Roberts]

Could four murders on Long island be the work of a serial killer? We want to bring to justice this.

[Ryan Reynolds]

Animal that has obviously taken the lives.

[Law Enforcement Official]

Of a number of people.

[Ryan Reynolds]

How much did this rock Long Island?

[Deborah Roberts]

Oh, it was horrible. There was a dark cloud over the entire island.

[Ryan Reynolds]

At least 11 bodies, most of them women, many of them dismembered. The remains strewn across a half mile stretch of Gilgo Beach. And in woods further east, Police say a serial killer was on the loose.

[Law Enforcement Official]

The acts are depraved and heinous.

[Criminologist]

He has been on the hunt for sex workers who he has brutalized.

[Deborah Roberts]

The sheer number of victims that were discovered shows the magnitude of the kind of offender we may be dealing with.

[Law Enforcement Official]

Rex, did you do it?

[Ryan Reynolds]

Authorities say the man who committed most of these monstrous crimes is Rex Heuermann, an architect, husband and father by day, and they say a killer by night.

[Survivor]

I probably could have cheated death and never knew it, but with him, I think I cheated death and I knew I did.

[Ryan Reynolds]

Rex Sheeran is a demon that walks among us. A predator that ruined families.

[Expert Commentator]

How does he have a wife, daughter, son living in a neighborhood of families? How did he have the time to run a business and do all that he did?

[Deborah Roberts]

Law enforcement suspected early on Rex Heuermann was living a very compartmentalized double life.

[Ryan Reynolds]

Heuermann has been charged with the murders of seven women, most of them sex workers, who began disappearing in 1993. It is long overdue to provide justice for vulnerable women who are missing and murdered. He's pleaded not guilty to all the charges. He's a man who's never been arrested before. He's maintained his innocence from the inception of this case.

[Prosecutor]

Today, my office filed a superseding indictment charging the defendant Yurman with a seventh.

[Ryan Reynolds]

Charge, murder in the second degree. The most recent murder charge coming in December in the case of Valerie Mack, whose decapitated remains were found at Gilgo Beach.

[Expert Commentator]

We want her family to know that they are not alone in their grief.

[Ryan Reynolds]

Now law enforcement is exposing gruesome details of his alleged double life.

[Prosecutor]

Rex, hello.

[Ryan Reynolds]

How you doing? Good to see you. How they say a 60 year old, seemingly mild mannered father of two from Massapequa Park, Long island, profiled in an online video about New York real estate. When a job that should have been routine suddenly becomes not routine.

[Deborah Roberts]

Yeah, I get the phone call.

[Ryan Reynolds]

Could have brutally murdered so many women. And then the disturbing evidence authorities say they obtained from his home. Heuerman had a significant collection of violent.

[Investigator]

Bondage and torture pornography, Prosecutors said. In addition to all this torture pornography, Heuermann searched references to the Gilgo beach serial killings. And he seemingly, according to prosecutors, would keep tabs on certain victims, their families.

[Ryan Reynolds]

Even collecting headlines from People magazine and the New York Post.

[Criminologist]

A lot of what serial killers get off about is the planning. I am smarter than all of them. I beat the authorities. They can't catch me. And look how successful I am at this.

[Ryan Reynolds]

But for every piece of evidence comes the question, why did it take so long for police to make an arrest? And could there be more victims out there?

[Criminologist]

If convicted, it's possible that Rex Heuermann could wind up being one of the most prolific serial killers of our time. I think that we are just starting to scratch on the surface, the tip of the iceberg.

[Ryan Reynolds]

Thirteen years after the first bodies were uncovered at Gilgo Beach. Authorities finally zeroed in on Rex Heuermann. Plainclothes officers surrounding him on a busy street in Manhattan.

[Deborah Roberts]

When they did make an arrest, I was stunned because there had been no media attention on the case at all for 11 months, not even a news article. So I was worried that behind the scenes, they had lost steam with the arrest.

[Ryan Reynolds]

Nonstop news coverage began an orchestrated perp walk to finally show his face.

[Investigator]

I've seen Rex Heuermann in court, and he is a kind of a hulking. He's tall, wide. He even makes some of the court officers look small.

[Ryan Reynolds]

For days, authorities turned his home upside down, even digging up the backyard. Curious onlookers were there for every discovery.

[Investigator]

Police ended up seizing hundreds of electronic devices from his house. They discovered a single word document that ended up becoming one of the most disturbing parts of the case. This document, according to prosecutors, reads like a plan for how to go about killing victims. Where to bury them, what to keep in mind for the next time if something wasn't quite right, the kind of hardware that would be necessary for killing and dismemberment.

[Deborah Roberts]

He's talking about preferences, ways to improve. He's saying things like, hit harder next time. Just really devastating plans for the next person he intends to target.

[Criminologist]

So as far as the planning document, he had pointed out that the ropes broke, and so he needed a thicker rope to bind these women to. So it tells us that he's getting off on the planning, but also that he's learning from past mistakes, and he wants to make sure that he's correcting his errors so that he maybe one day will get to the perfect crime.

[Ryan Reynolds]

There's also a section that investigators say appears to be a reference to potential targets.

[Deborah Roberts]

So TRG seems to indicate in this document a victim he's looking at. He even explicitly said, small is good.

[Ryan Reynolds]

He went after smaller women.

[Deborah Roberts]

He went after smaller women for the purpose of making cleaning up easier.

[Criminologist]

We know that he was targeting smaller bodies. We know that there are sex workers, women who were feminine and small and probably couldn't put up as much of a fight.

[Ryan Reynolds]

According to investigators, this planning document was created the exact same year Valerie Mack, the latest victim police are tying to Heuerman, was murdered. Authorities say she fit the profile of what he was hunting for. Small, only 5ft tall and a sex worker. Just 24 years old when she went.

[Deborah Roberts]

Missing, Valerie Mack struggled with drug use, and that led her to engage in survival sex work.

[Prosecutor]

Being a sex worker is a dangerous line of work, and the nature of this profession makes it very easy for people to prey upon these individuals. And when they go missing, very few people know or even beg to ask the question, where'd they go?

[Ryan Reynolds]

Valerie's decapitated remains were discovered about 40 miles from Gilgo Beach a few months after her disappearance in 2000. Parts of her body were bound with rope. More than a decade later, the rest of her body would be found during the search at Gilgo Beach.

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[Deborah Roberts]

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[Ryan Reynolds]

With so many twists and turns, the bodies at Gilgo beach might never have been found if not for the chilling case of Shannon Gilbert and the frantic 911 call she made in the spring of 2010.

[Deborah Roberts]

Please stop it.

[Ryan Reynolds]

Please. The 24 year old was an escort working one evening in Oak Beach, Long island, just east of Gilgo.

[Deborah Roberts]

She was basically running away.

[Survivor]

Her last phone call was 23 minutes to 911.

[Ryan Reynolds]

23 minutes is a long 911 call. What do we know about what happened on that call?

[Deborah Roberts]

She seems to be panicked and she seems to be in real fear of something as she's on this call.

[Investigator]

It sounded frantic as she went to any house she could find, banging on doors, asking for help. And then according to police, she ends up taking off into this marshy area and she was never heard from again.

[Law Enforcement Official]

The area is extremely difficult to search. It's extremely heavily vegetated. The terrain is difficult to navigate.

[Ryan Reynolds]

Stuart Cameron ran the search for Shannon Gilbert back in 2010. One of his colleagues and his canine partner would tap to help sniff out Shannon.

[Law Enforcement Official]

On December 11th of 2010, he located a set of human remains on the north side off the shoulder of Ocean Parkway. The assumption was that it was Shannon.

[Ryan Reynolds]

Gilbert, but it wasn't. The body wrapped in burlap was identified as Melissa Bartholomew, a 24 year old sex worker. Days later, another shocking find.

[Deborah Roberts]

We were quite surprised the second day when we found the second body and.

[Ryan Reynolds]

Then we conducted a more detailed search and we found the third body and.

[Law Enforcement Official]

Then ultimately the fourth body pretty much dawned on all of us. The realization that there was a serial.

[Investigator]

Killer working a gruesome find about three miles away near Gilgo Beach. A suspected serial killer cemetery containing four skeletons dumped by the side of the road.

[Ryan Reynolds]

But none of them were Shannon Gilbert. They were later identified as Amber Costello, Maureen Brainer Barnes and Megan Waterman. Women in their 20s, bound in a similar fashion and all apparently working as escorts before they disappeared with Melissa. They became known as the Gilgo Four.

[Deborah Roberts]

They were human beings with aspirations and hope for a better future for themselves. They have families who love and miss them.

[Survivor]

Megan really thought she was safe. Megan thought nothing would happen to her and she was only doing this temporarily. And then less than a month later, she was gone.

[Ryan Reynolds]

How many times have you actually been out to Yoga Beach?

[Deborah Roberts]

I've probably been here like 15 or 20 times. I come out here kind of as often as I can. It just helps you get some greater perspective on what we're dealing with here.

[Ryan Reynolds]

Alexis Linklater is from Long island and has lived and breathed this case for much of her life.

[Deborah Roberts]

There's no doubt that the entire nation is completely enthralled and mystified by this case.

[Ryan Reynolds]

She hosts her own podcast on the Murders Unraveled for Investigation discovery.

[Deborah Roberts]

This whole path here didn't used to be here, so trucks used to be able to essentially pull right up to this, which is probably what our suspect did in this case.

[Ryan Reynolds]

If you're looking at all this brush and marsh right here. Like, if you're looking at double bodies.

[Deborah Roberts]

It'S extremely remote at night. There's no street lights, so you would see someone coming from miles away in either direction. And before the spike path was here, you really could just back your vehicle up to it and do whatever you needed to do and have no one see you.

[Ryan Reynolds]

By May of 2011, the search had yielded body parts belonging to six more of the victims.

[Law Enforcement Official]

We found four sets of remains that were full human bodies, but now we found a set of partial remains. So someone had taken a human body, and, you know, it's really heinous and hard to believe. Chopped up a human body and dumped part of the body in this area.

[Deborah Roberts]

Immediately following their discovery, a new police chief was put into power. And that police chief himself had many skeletons in his closet, and he was not interested in the FBI uncovering those. So he did everything he could to essentially sabotage their efforts in solving this case.

[Investigator]

And the investigation really went nowhere for the better part of a decade. And this was terrifying for people who lived along the south shore of Long island, that all these people were being killed near where they lived, and nobody was being held accountable.

[Ryan Reynolds]

But investigators managed to pinpoint the suspect's locations through his phone calls.

[Law Enforcement Official]

Through the analysis of the cell phone data that had been accumulated from this case give us an area of Massapequa. This is the area where we believe the killer may reside. So that was a primary focus of the investigation.

[Ryan Reynolds]

As if the deaths of their loved ones weren't horrific enough, friends and family members of the victims received taunting phone calls from the killer.

[Criminologist]

Why would a person like to do this taunt, psychologically? Like to get into someone's mind, knowing I have killed your friend or your family member? There's an element, again, of control and the element of torture.

[Survivor]

He goes, do you know Marie? And Maureen was her escort. Name.

[Ryan Reynolds]

Sarah Carnes. A friend of Gilgo victim Maureen Brainard Barnes says she got one of those calls two weeks after Maureen went missing.

[Survivor]

He's like, she's not missing. Well, I just saw her at a whorehouse in Queens. Oh, yeah, that doesn't sound right to me.

[Deborah Roberts]

And, you know, and I'm like, can.

[Survivor]

You call me back unblocked? Because I need to tell the cops and her family this so that they're not worried anymore. He's like, yeah, yeah, sure, sure. Never called me back.

[Ryan Reynolds]

Authorities say they eventually trace some of the killer's calls to midtown Manhattan.

[Prosecutor]

Law enforcement know the suspect has burner phones and are making phone calls in two locations. An individual who may live in Long island and take the Long Island Railroad into Manhattan by midtown and also work in that area. Thousands make that commute daily. And so now law enforcement has to figure out who's the one making this commute, and are they the suspect they're looking for?

[Ryan Reynolds]

The case finally gets momentum in 2022, after Suffolk county announces the creation of a task force bringing together local, state, and federal officials and bringing the case wide, they start taking a fresh look at old evidence from Amber Costello's disappearance.

[Deborah Roberts]

Right before she went missing, she had a client come to her home. And essentially along with her roommate, they engaged in a ruse with this client. And that ruse included taking the client's money and then the male roommate coming home, pretending to be Amber's boyfriend. And the client ultimately drove off angry.

[Ryan Reynolds]

Amber's roommate told investigators the truck driven by the client was a 2002 green.

[Investigator]

Chevy Avalanche, a distinctive vehicle that just isn't sold very much in this part of the country. It's a Chevy Avalanche, which is kind of this hulking sort of truck, sort of suv, and not a lot of people have it.

[Deborah Roberts]

A female state police detective basically started with all the evidence from the beginning. What this detective did was looked up all the green 2002 Chevy avalanches within a certain geographical area and also cross referenced a physical description that that same roommate provided. He described the suspect as being extremely tall, resembling an ogre. And it didn't take this detective long to sort of zero in on somebody who seemed to match all of these things and who also had ties to the key locations of Massive People park and midtown Manhattan. This episode is brought to you by Meundies. While meundies can't totally help your love life, this Valentine's Day, they can offer you insanely comfy undies and loungewear to buy or gift. Me Undies has so many awesome Valentine's Day prints and styles. Plus you can match with your partner, friends, or even your pets. This Valentine's Day, give the gift that'll keep them thinking of you and score huge site wide savings. @meundies.com Spotify that's meundies.com Spotify, meundies, comfort from the outside. In coming to ABC and Hulu, Amanda Riley was a mother, wife, speaker at her church. And then she got diagnosed with cancer. A beloved young Christian woman fighting a battle undeserved. We thought she was God's gift, but she was a liar.

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[Ryan Reynolds]

That person, authorities say, was Rex Heuermann.

[Survivor]

I remember everything about that night because he scared the crap out of me. And nobody's ever made me scared or uncomfortable like that. Like, when he got arrested, I was like, I knew it.

[Ryan Reynolds]

Nikki Brass considers herself lucky. She says her date in 2015 with him left her terrified.

[Survivor]

I was on seeking arrangements like Escort, Alligator. I posted Looking for a Sugar Daddy. I'm not sure which one he contacted me on because it's been over 10 years, but he messaged me.

[Ryan Reynolds]

She says they messaged back and forth for a few days and that some of the messages were concerning.

[Survivor]

So, first of all, he wanted me to meet him directly at his house. He didn't want to meet public, which I don't do. I'm not coming directly to a stranger's house. To not want to meet in public was kind of like a big red flag for me.

[Ryan Reynolds]

Even in the messages he had.

[Survivor]

Yeah, but ignored it. Like he was someone that was like, I have a lot of money. I could take care of you.

[Ryan Reynolds]

They decide to meet, she says, at a restaurant, but not before Nikki takes some precautions.

[Survivor]

I did get a picture of him. I'm not gonna say, like, specifically who I sent it to, because they asked me not to. But when he sent me his picture, I was at Chuck E. Cheese with that person, and I showed them the picture and said, this is who I'm going out with. They're an architect. They work in Manhattan.

[Ryan Reynolds]

What was he like? How'd the date go?

[Survivor]

So when we sat down, it was basic small talk, like, normal stuff you would talk about when you first sit down on a date. So this is what you do for a living. What do you want to do? What are your dreams? Like, basic stuff. That's when he asked if I like True Crime. I was like, yes. I was excited to talk about it, because most people don't want to even.

[Ryan Reynolds]

A true crime conversation, she says, didn't set off any red flags until once.

[Survivor]

He said, have you heard of the Gilbert Beach Killer? And I said, yeah. He got, like, very, very excited. Like, his body language changed. He moved into the table and got his elbows on it. He was very wanting to talk about that and was excited that he was able to.

[Ryan Reynolds]

And what's going through your head?

[Survivor]

I mean, I just thought he was a buff. But then, like, he seemed way too weird. It didn't Seem like somebody who was just nerding out. It was somebody who was, like, reliving what they did and enjoying reliving what they did.

[Ryan Reynolds]

She says their date didn't end well.

[Survivor]

He was like, so you're gonna come back to my house, right? And I was, like, trying to be polite. So I was like, it's late, you know, I really don't know the area. I don't want to be driving at night. And he was like, oh, no, no, no. Like, you would leave your car here. Why would we take two cars? That makes no sense.

[Ryan Reynolds]

You're getting angry.

[Survivor]

At that point, I had already texted somebody to meet me at the door, and he got angry. Like, you could tell he was trying to hold it together and not seem angry, but he was, like, very angry.

[Ryan Reynolds]

Right after that night. And in the years leading up to Heuermann's arrest, Nikki says she told people she had gone on a date with the Gilgo Beach Killer. No one believed her. And those who worked with Heuerman say they suspected nothing.

[Expert Commentator]

He had a big ego, that's for sure. A big head on his shoulders.

[Prosecutor]

Rex, Hello.

[Deborah Roberts]

How you doing?

[Ryan Reynolds]

Good to see you. Rex Heuermann.

[Deborah Roberts]

I'm an architect.

[Ryan Reynolds]

I'm an architectural consultant. I'm a troubleshooter. Born and raised on Long Island.

[Deborah Roberts]

Okay.

[Ryan Reynolds]

Been working in Manhattan since 1987.

[Expert Commentator]

We'd argue a lot about certain things, but he. Yeah, I never saw anything that would make me feel that I couldn't be left alone with him.

[Ryan Reynolds]

You were alone with him a lot?

[Expert Commentator]

Well, yes, because if I ran the office and all the other two people who work in the office were in the field, so, yeah, I would be in the office alone with him a lot.

[Ryan Reynolds]

Muriel Enriquez met Rex heuermann back in 1992. I worked with him at his architectural consulting company. Their work relationship was ordinary except for one unsettling incident when she was on vacation.

[Expert Commentator]

So he would always make comments like, yeah, I can find you in the middle of the ocean. I said, no, you can't. How are you gonna find me on a cruise ship?

[Ryan Reynolds]

She went on that cruise ship, and one afternoon, Muriel says she got a surprise.

[Expert Commentator]

I had been on a cruise for a day, and there was a note under my door. But it was a note from Rex pretty much saying, I told you I could find you anywhere. And that note, I remember being so at first, scared, like, could he be on this ship? That went through my mind for a minute. I realized he couldn't be on the ship. But how did he get that note? To me, I still couldn't figure that out.

[Ryan Reynolds]

But when she came back to the.

[Expert Commentator]

Office, I said, rex, I mean, really, you don't have anything else better to do than to, like, send me a note on a cruise ship? He goes, I told you I could find you anywhere. That was his response.

[Ryan Reynolds]

What was yours?

[Expert Commentator]

Mine was, well, how did you do that? He said, I have my ways.

[Ryan Reynolds]

And then there was the seemingly innocent present from Heuermann from his wife's trip to Iceland.

[Expert Commentator]

Well, we always complain about being cold in the office. So he says, oh, you know, Iceland makes these beautiful wool sweaters. You know, would you like. Each of you would like a sweater. I said, sure. You know, why not?

[Ryan Reynolds]

But police say the very same week his wife and kids were in Iceland, Heuermann was out hunting women. When you learn that that same week that his wife and his daughter were gone to Iceland was the same week that Maureen Brainerd Barnes went missing.

[Expert Commentator]

What goes through your head that, oh, my goodness, I can't believe that he actually had his wife bring back gifts for us while he was out murdering someone else. Like, how do you. How does somebody do that? That was just unbelievable to me. It's like two different people completely like Jekyll and Hyde or. I don't know. He's a monster.

[Ryan Reynolds]

By 2023, Heuermann's alleged double life started to unravel. Police had the suburban dad in their crosshairs.

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[Deborah Roberts]

After law enforcement identified heuerman through his 2002 Chevy Avalanche, they began monitoring him. They did so for, I believe, 16 months. And they were pulling all sorts of records. Phone records, IP address records. They're finding surveillance footage of him buying new burner phones. Rex Heuermann is allegedly using these burner phones to go on dating websites, to solicit contact with sex workers on various websites. And according to them, they suspected that he may have been gearing up to kill again.

[Investigator]

Prosecutors were increasingly confident, but they needed more. They needed a direct DNA sample from Rex Heuermann, and they got it from pizza crust.

[Ryan Reynolds]

Police devised an elaborate plan, trailing him to work in Manhattan and retrieving a pizza crust he threw into a trash Can.

[Expert Commentator]

When they found that pizza crust, I said that's so Rex that he would just eat the crust on a run and throw it in the trash. That's the way he did, never sitting down to eat a meal.

[Ryan Reynolds]

Undercover agents also followed his daughter Victoria onto the Long island railroad. They picked up an energy drink can that she tossed out. They also recovered his wife Asa's DNA from bottles in the Heuermann's garbage. Investigators say that DNA evidence turned out to be crucial.

[Investigator]

When police initially recovered the bodies, they were able to find hair samples, some of them female. There was a male, but the DNA technology was not sensitive enough to establish any kind of a potential suspect.

[Prosecutor]

Now when it comes to those female hair, they were able to track what's called the mitochondrial DNA of that hair and see that it was closely connected to or related to Rex Heuermann's wife and or daughter. Law enforcement is making connection between the male hair being Rex Hurman and his wife or daughter's hair being there. That the only connection must be that Rex Heuerman at one point was at the location when these women were either killed or their bodies were buried.

[Ryan Reynolds]

But police say Heuermann's wife and children are not suspects. In fact, they were out of town around the time the murders occurred. What did investigators actually conclude by finding Rex's family members hair on some of the victims?

[Deborah Roberts]

Law enforcement suspected early on that that may mean that these women were killed inside the Heuerman home.

[Ryan Reynolds]

Initially, Heuerman was charged with three murders immediately following his arrest. Even with this arrest, we're not done. There's more work to do in this investigation. Regarding the other victims, he has subsequently been charged with four more, including Jessica Taylor.

[Deborah Roberts]

When her life was stolen, a light went out. She is forever missed.

[Ryan Reynolds]

Her head, arms and hands found less than a mile from where the original Gilgo 4 have been discovered. The rest of her body was found years earlier.

[Deborah Roberts]

Further inland, Jessica Taylor's remains were found in the morning, but the night before around 10pm Witnesses later recalled seeing what appeared to be a Chevy Avalanche backed in to a wooded area. And the presumption there is that whoever murdered Jessica Taylor was leaving her remains there.

[Ryan Reynolds]

Investigators say DNA from a hair also linked Huberman to the unsolved 1993 murder of Sandro Castilla.

[Deborah Roberts]

It was a jaw dropping moment because this is a victim who had never been associated with with the Long island serial killer case at all.

[Ryan Reynolds]

The 28 year old was found in Southampton, about 60 miles away from Gilgo beach with numerous sharp force injuries all over her body, including her face, torso and breasts.

[Deborah Roberts]

It introduced a brand new location and it also drastically expanded the timeline previously associated with this case, which means this expands this case greatly in terms of victims that could be connected to this suspect.

[Ryan Reynolds]

Impact has reached out to Rex Heuermann's attorney but has not heard back. There are still three unidentified bodies found at Gilgo beach, including the body of a male found dressed in women's clothes who police called Asian Doe.

[Investigator]

There was another that police called Peaches because of a distinctive tattoo. There was a toddler that was identified as Peaches Toddler because of some jewelry they had in common and DNA testing.

[Ryan Reynolds]

Another Gilgo beach victim who's since been identified is Karen Vergada, a 34 year old escort who went missing in 1996. None of them have been tied to Heuerman yet.

[Investigator]

Prosecutors have no doubt. They say Rex Heuerman is their guy, is the serial killer. They've charged him now with seven murders and I would expect that if they can build the evidence, they will charge him with more.

[Ryan Reynolds]

Do you suspect that there's more bodies?

[Deborah Roberts]

I absolutely think, sadly, that there will be many more victims associated with this case.

This is Deborah Roberts. Our story was produced by Impact by Nightline and includes footage from Newsday tv. You can find Gilgo Beach a serial killer secrets streaming on Hulu. Next week, we'll bring you a brand new season of wild crime. We'll follow along as special agents who work for our national park's hunt an elusive killer. Thanks for listening.