DNA: ID – “Sharon Hammack and Dusty Shuck Part 2 of 2”

Podcast: DNA: ID
Host: Jessica Bettencourt (AbJack Entertainment)
Release Date: May 12, 2025

Episode Overview

This episode concludes the gripping two-part investigation into the long-unsolved murders of Sharon Hammack (1996, Michigan) and Dusty Schuck (2006, Maryland), both recently solved due to advances in investigative genetic genealogy (IGG). Host Jessica Bettencourt meticulously recounts how cold case detectives used DNA to link the brutal killings—committed a decade apart, hundreds of miles away—to career sexual predator and truck driver Gary Dean Artman. The episode delves deeply into Artman’s background, confession, trial, and the impact on the victims’ families, while exploring the broader challenges and ethical debates in IGG and serial homicide investigations.

Key Discussion Points and Insights

1. The Breakthrough: IGG Identifies Gary Artman

• Detective Tynhoff’s Investigation (01:30): With DNA from both crime scenes matching, the search for the perpetrator led to Gary Dean Artman—chosen based on geographical, occupational, and familial connections.
• IGG techniques enabled analysts to build a SNP profile and, with Identifinders International, zero in on Artman.

"Mr. Artman would never have been identified without Identifinder’s forensic genetic genealogy expertise."
— Lt. William Marks (10:51)

• Police tracked Artman via his trucking schedule and arrested him in Mississippi (01:30–04:00).
• DNA swabs quickly confirmed a match—“770 trillion times more likely” than any other person (04:25).

2. The Arrest and Search

• Artman’s arrest was unconventional; police didn’t take a surreptitious DNA sample first, but proceeded given Artman’s record and the DNA-based certainty (04:00–06:40).
• A search of Artman’s truck, storage unit, and possessions found alarming items: numerous knives, ropes, women’s underwear and lingerie with tags removed, journals with violent content, pornographic videos involving abduction and rape, and a mutilated stuffed bear (06:40, 39:42).
• His writings and devices hinted at his misogynistic and violent mindset.

3. The Impact on Victims’ Families

• The episode features poignant interviews and statements from family members.

  • Sharon’s sisters:

    "It's just a flood of emotions. I'm happy, but I'm sad, too. Mama, we got justice for her... Justice will be served.”
    — Tina (04:53)
    "She was just so loving. This... just terrible."
    — Terri (05:32)

  • Sharon’s son:

    "She was the sweetest person on earth... I believe she loved us very much even when we were given up for adoption."
    — Eric Harrington (06:15)

4. Artman’s Background and Criminal History

• Artman’s abusive childhood, early separation from siblings, and absence of stable relationships (06:40–08:00).

• Detailed recounting of his 1980s sexual assaults, including multiple rapes at knifepoint, and chilling testimony from surviving victims:

  "My survival mode was to go into another zone...I remember running to the lady’s house. I remember going to hospital and to court to put him away."
  — Dawn D., survivor (29:00)

• Artman served 11 years for these crimes, was released in 1992, and quickly escalated to murder.

5. The Confession and the Investigative Trail

• After his arrest, Artman admitted frequenting sex workers and described them as “a piece of meat. Business. It’s a piece of meat.” (14:00, 14:40)
• He denied the murders but could not explain the damning DNA evidence. Detectives confronted him with details and attempted “bluffing” about other victims (17:00–18:00).
• Former acquaintances recounted alarming statements and behaviors; an ex-girlfriend testified to Artman’s violent confessions and threats.

6. Cold Case Files: Prior Suspicions

• It emerged that Artman was a named suspect in a 1993 report due to his violent background but was never linked decisively until IGG (58:45).
• Despite being questioned about area sex worker murders, he was able to deflect suspicion at the time.

7. The Trial and Conviction

• The trial was expedited due to Artman’s terminal cancer diagnosis. The prosecution presented overwhelming DNA evidence, Artman’s writings, digital evidence, and survivor testimony.

• Gripping, disturbing details:

  • The victim was hogtied, raped, and strangled. Semen was found in multiple anatomical locations and on the blanket used to wrap her body.

• Defense argued consensual sex, but this was debunked by physical evidence and witness testimony.

• Key Quotes:

  "Sharon was alive when she was stabbed in the head and would have taken 2–4 minutes to die from the strangulation."
  — Dr. Stephen Coley (35:25)
  "There is no question about what Mr. Artman was doing and what he was thinking."
  — Prosecutor Blair Lockman (47:30)

• The jury returned a swift guilty verdict; Artman was sentenced to life without parole. Victims’ families confronted him in court:

  "You’re not a man. You’re nothing but a piece of garbage. I hope you get everything that's coming to you... You killed her and my nephew in her body."
  — Sharon's sister Terri (48:30)

8. Wider Scope: Other Possible Victims and Deathbed Confession

• While awaiting extradition to Maryland for Dusty Schuck’s case, Artman fell critically ill.

• On his deathbed, he admitted to multiple additional murders (possibly 11), mainly of sex workers in Grand Rapids in the 1990s (“I am a monster.” 53:40)—but lacked specifics, blurring the line between confession and exaggeration.

  "He said he did not kill a male like he told the Michigan State Police. He was lying about that. His preferred method was using a knife, but he has also strangled females."
  — Detective Tienhoff’s report (53:16)

• He described how he disposed of bodies, sometimes leaving them in dumpsters so they would never be found.

• Police believe he likely killed more, but only two cases (Sharon and Dusty) are definitively closed.

9. The Role of Investigative Genetic Genealogy

• Forensic analysts and lab supervisors testified to the revolutionary impact of IGG in breaking these cases (10:11, 36:40).

  "We remember the person whose life was cut short and the impact they still have on their family... That's why we continue to work cold cases..."
  — Sheriff Michelle Lajoy Young (10:04)

• The host notes the unusual decision to arrest without a standard confirmatory STR DNA sample, justified by risk and urgency (64:00).

Notable Quotes & Memorable Moments

• “If you are one of the bad guys, they are coming for you.” — Host, closing remarks (70:50)
• “I wanted to be loved, to be held... Between you and me, nobody else knows this. There has been 152 of those assaults by me as of this writing.” — Artman’s letter (45:20)
• "Justice was served... She finally gets to be laid to rest in peace." — Sharon’s sister, after the verdict (49:05)
• Juror Jacqueline Campbell: “Gary Artman... is truly proof that evil can exist on earth... but at least justice came.” (49:40)
• Artman’s final courtroom statement:

  “If they get closure, fine, they get closure. But all these other murders, they're idiots. You detectives right there, are fucking idiots... Why? Because you keep looking at me and I didn't do it.”
  (48:50)

Timestamps for Important Segments

• 01:30–04:00: Surveillance and arrest of Gary Artman
• 04:25–05:32: DNA results and reaction from Sharon’s family
• 06:40–08:00: Artman’s background and troubling behaviors
• 10:51: Role of genetic genealogy in case breakthrough
• 13:37–14:40: Artman’s attitudes toward sex workers (interview excerpts)
• 17:00–18:00: Artman grilled by detectives, attempts at bluffing
• 29:00: Dawn D., survivor of 1980 assault, testifies
• 35:03–36:40: Medical testimony and physical evidence at trial
• 45:20: Artman’s letter from prison—confession to numerous assaults
• 47:30: Prosecutorial closing argument
• 48:30–49:05: Family confronts Artman at sentencing, justice delivered
• 53:16–53:40: Deathbed confession details
• 58:45: Artman as a prior suspect in the 1990s—case notes
• 64:00: Discussion of prosecutorial decisions in IGG cases
• 70:50: Closing comments from the host

Summary Flow and Tone

Jessica Bettencourt’s narration is thorough, empathetic, and unflinching. She highlights the horror of Artman’s crimes, the power of new forensic science, and the continuing pain endured by survivors and victims’ families. The tone is resolutely compassionate towards the victims while unsparing in its portrayal of Artman’s character and actions. Interviews, official quotes, and poignant moments are selected and presented with sensitivity, lending authenticity and depth.

Conclusion

The resolution of Sharon Hammack’s and Dusty Schuck’s murders brings long-awaited justice to their families and showcases the unmatched power of IGG to unearth the identity of long-elusive killers. Yet, as the episode movingly observes, behind every cold case is a uniquely devastating story—and often, lingering, unanswerable questions about the “why.” This episode stands as a sobering testament to the victims, an indictment of the failures that allowed Artman’s violence to go unchecked, and a salute to persistent investigators—and to science—for finally closing the circle.

If you have information about other possible victims connected to Gary Artman, contact the Maryland State Police homicide unit at 410-996-7881.

For true crime listeners, this episode is an exemplar of narrative journalism, ethical investigation, and public remembrance of those lost.