
Hey Dateline fans! As a bonus for you, we’re sharing the trailer for Trace of Suspicion, an all-new original podcast series from Dateline and Josh Mankiewicz. After seemingly healthy 23-year-old Marine Todd Sommer dies unexpectedly, his widow Cindy’s lavish spending, cosmetic surgery, and wild partying raise investigators’ suspicions. They accuse her of poisoning him with arsenic for his life insurance, setting off a criminal case that takes a stunning turn... Josh Mankiewicz sits down with the woman at the center of it all in Dateline’s newest podcast. Follow now to get the first two episodes on Tuesday, March 10 completely free. Or subscribe to Dateline Premium on Apple Podcasts, Spotify or DatelinePremium.com to hear the first two episodes now. Subscribers receive ad-free listening and early access to subsequent episodes.
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Narrator (Josh Mankiewicz)
He was a young Marine, handsome in his dress blues.
Investigator
He had a religious aspect to him.
Narrator (Josh Mankiewicz)
She was a free spirit who didn't care about convention.
Widow
I'm a hippie. I'm a deadhead.
Narrator (Josh Mankiewicz)
They married and made a life together. And then one night, The Marine died.
911 Operator
911.
Emergency Responder
Do you have a regiment?
Caller (Widow or Witness)
Yeah. My husband just collapsed.
Emergency Responder
What happened?
Caller (Widow or Witness)
He just collapsed. He woke up and couldn't believe he crashed.
Narrator (Josh Mankiewicz)
Drums rolled, guns saluted, and a flag was folded for the widow. All of it by the book. Solemn, dignified, appropriate. And then something happened. The widow went off script.
911 Operator
She started having a lot of parties shortly after his funeral. A lot of the neighbors was just like. She got over that pretty quickly.
Narrator (Josh Mankiewicz)
With her husband's insurance money, the widow lived it up. New bling, new lovers, new look.
Investigator
This case started because of the breast implants. Think about it. If she had a nose job, would we even be talking about it?
Narrator (Josh Mankiewicz)
Eyebrows arched, tongues wagged. And an investigation was born. Chemists found arsenic in the Marine's tissues. And his widow was accused of murder.
Widow
You know, we need to try to pursue justice for this young Marine and his family.
Narrator (Josh Mankiewicz)
Our latest podcast takes us to San Diego, where an untimely death and some unseemly behavior added up to a murder rap.
Widow
What am I being arrested for?
Narrator (Josh Mankiewicz)
Like I told you yesterday, there was some foreign substance that was found in his body, and.
Widow
So are you charged with murder? Oh, my gosh. Are you serious?
Emergency Responder
Yes.
Narrator (Josh Mankiewicz)
It's a story about investigators in dogged pursuit of a theory.
Investigator
I told them they might want to get the stuff retested and find out what's going on. Going on?
Narrator (Josh Mankiewicz)
It's about prosecutors hell bent on winning and about what happens when the wheels of justice go off the rails.
Widow
It was over a million. My mom sold her house, cashed in all of their retirements, all their every everything.
Legal Expert or Commentator
It shouldn't be a game. It shouldn't be a situation where let's see what we can get away with. And that's what happened in this case.
Narrator (Josh Mankiewicz)
I'm Josh Mankiewicz, and this is Trace of Suspicion, an all new podcast from dateline beginning Tuesday, March 10th. You can listen to the latest episodes completely free or to begin listening now, subscribe to Dateline Premium on Apple Podcasts, Spotify, or Dateline premium.com. subscribers get early access to new episodes and can listen to all Dateline podcasts ad free.
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Podcast: Murder in the Moonlight
Ep: Introducing: Trace of Suspicion
Host: NBC News
Air Date: March 3, 2026
This special introductory episode features a preview of Dateline’s latest true crime podcast series, "Trace of Suspicion." Hosted by Josh Mankiewicz, the episode presents the story of a young Marine’s unsettling death and the ensuing investigation targeting his eclectic widow. Teasing themes of love, loss, and a justice system gone awry, the episode sets the atmosphere for listeners to dive deeper into a case involving arsenic poisoning, suspicious insurance pay-outs, and speculation fueled by social behavior.
Victim: A young Marine, highlighted as “handsome in his dress blues,” known for his upright and religious demeanor.
Quote:
“He was a young Marine, handsome in his dress blues.” —Narrator (00:01)
“He had a religious aspect to him.” —Investigator (00:05)
Widow: Characterized as a “free spirit,” embracing an unconventional and rebellious lifestyle. Quote:
“I’m a hippie. I’m a deadhead.” —Widow (00:11)
Incident: The Marine collapses at home and emergency services are called. Quote:
“911.” —911 Operator (00:19)
“My husband just collapsed.” —Caller (00:20)
Aftermath: The Marine receives a full military funeral with solemn honors, but the widow swiftly changes her lifestyle. Quote:
“Drums rolled, guns saluted, and a flag was folded for the widow. All of it by the book. Solemn, dignified, appropriate. And then something happened. The widow went off script.” —Narrator (00:26)
Behavioral Shifts: The widow soon starts hosting parties and spending lavishly, raising eyebrows in the community as rumors circulate. Quote:
“She started having a lot of parties shortly after his funeral. A lot of the neighbors was just like. She got over that pretty quickly.” —911 Operator (00:43)
“With her husband's insurance money, the widow lived it up. New bling, new lovers, new look.” —Narrator (00:51)
Physical Changes as Focal Point:
The case is said to begin due to the widow’s “breast implants,” with speculation around whether another cosmetic change would have drawn the same scrutiny.
Quote:
“This case started because of the breast implants. Think about it. If she had a nose job, would we even be talking about it?” —Investigator (01:00)
Discovery of Arsenic: Chemists detect arsenic in the Marine’s tissues, leading to a major investigative pivot and the widow being accused of murder. Quote:
“Chemists found arsenic in the Marine's tissues. And his widow was accused of murder.” —Narrator (01:09)
Family’s Plea for Justice:
Quote:
“You know, we need to try to pursue justice for this young Marine and his family.” —Widow (01:21)
The Confrontation: The widow is taken aback by the seriousness of the charges and questions what she is being arrested for. Quote:
“What am I being arrested for?” —Widow (01:37)
“Like I told you yesterday, there was some foreign substance that was found in his body, and.” —Narrator (01:38)
“So are you charged with murder? Oh, my gosh. Are you serious?” —Widow (01:43)
“Yes.” —Emergency Responder (01:46)
Investigation Critique: Prosecutors appear determined, with investigators recommending retesting and further inquiry, suggesting issues with the direction of justice. Quote:
“I told them they might want to get the stuff retested and find out what's going on.” —Investigator (01:52)
“…about what happens when the wheels of justice go off the rails.” —Narrator (01:57)
Financial Fallout: The widow describes the immense financial and emotional cost the case has taken on her family. Quote:
“It was over a million. My mom sold her house, cashed in all of their retirements, all their every everything.” —Widow (02:05)
Legal System Criticism: A legal expert comments on the dangers of the adversarial system and prosecutors focusing on “what they can get away with.” Quote:
“It shouldn't be a game. It shouldn't be a situation where let's see what we can get away with. And that's what happened in this case.” —Legal Expert or Commentator (02:13)
| Timestamp | Segment/Topic | | --------- | ------------- | | 00:01 | Introduction of the Marine and his widow—contrasting personalities | | 00:19 | The emergency call and death of the Marine | | 00:26 | The Marine's military funeral and change in widow's behavior | | 00:51 | Community suspicion and investigation triggers | | 01:00 | Focus on breast implants and social judgment | | 01:09 | Discovery of arsenic; widow accused of murder | | 01:37 | Widow’s reactions to being arrested and facing charges | | 01:52 | Critique of the investigative and prosecutorial approach | | 02:05 | Widow details financial devastation from legal process | | 02:13 | Legal expert’s critique of justice system failings |
The episode carries Dateline’s signature storytelling style: intriguing, dramatic, and laced with a hint of skepticism regarding the criminal justice process. The language is clear, sometimes wry, and focused on humanizing those involved—particularly the widow and the late Marine.
This teaser for "Trace of Suspicion" sets the stage for a complex, emotionally charged investigation centered on societal norms, the pursuit of justice, and the profound consequences for those caught in the system’s machinery. With compelling narration from Josh Mankiewicz and candid commentary from those involved, the series promises to delve beyond surface-level facts and challenge listeners’ understanding of guilt, innocence, and suspicion.
Full series available on March 10th.