Crime Explorer Podcasts
Crime Explorer Podcasts
January 21, 2026

Killer Realizes He's Been Caught 23 Years Later

Quick Read

After 23 years, a cold case murder was solved when forensic genealogy linked a discarded water bottle to the killer, Eugene Gliggor, the ex-boyfriend of the victim's daughter.
Forensic genealogy cracked a 23-year-old cold case, tracing crime scene DNA to a distant relative in Romania, then to Eugene Gliggor.
Detectives covertly obtained Gliggor's DNA from a discarded water bottle at an airport, confirming his presence at the murder scene.
Gliggor, the ex-boyfriend of the victim's daughter, pleaded guilty to second-degree murder, receiving a 22-year sentence.

Summary

In 2001, Leslie Prier was found murdered in her Chevy Chase home, a case that remained unsolved for over two decades despite male DNA being found at the scene. The initial investigation focused on her husband, Sandy, who was later cleared by DNA evidence. The case went cold until 2022, when a new cold case unit utilized advanced forensic genealogy. This technique traced the unknown DNA to a distant relative in Romania, eventually leading investigators to Eugene Gliggor, Leslie's daughter's former high school boyfriend. In a covert operation at Dulles Airport in June 2024, detectives obtained Gliggor's DNA from a discarded water bottle, which matched the crime scene evidence. During interrogation, Gliggor denied memory of the event but never directly denied involvement, eventually pleading guilty to second-degree murder in May 2025, receiving a 22-year sentence.
This case highlights the transformative power of forensic genealogy in solving long-dormant cold cases, demonstrating how advancements in DNA technology can bring justice decades after a crime. It also illustrates the meticulous, often covert, methods law enforcement employs to secure crucial evidence against suspects who have evaded capture for years.

Takeaways

  • Leslie Prier was murdered in her Chevy Chase home in May 2001, with signs of struggle and an attempted cleanup.
  • Unknown male DNA found at the crime scene, including under Leslie's fingernails, initially led to her husband being a prime suspect, but he was cleared.
  • The case went cold for over two decades until a cold case unit employed forensic genealogy in 2022.
  • Genetic genealogy linked the crime scene DNA to a distant relative in Romania, leading investigators to Eugene Gliggor, Leslie's daughter's former high school boyfriend.
  • Detectives covertly collected Gliggor's DNA from a discarded water bottle at Dulles Airport in June 2024, confirming a match to the crime scene.
  • During interrogation, Gliggor claimed no memory of the event and requested a lawyer, but his DNA evidence was conclusive.
  • Gliggor pleaded guilty to second-degree murder in May 2025, admitting to the killing but claiming it was unplanned, and was sentenced to 22 years.

Insights

1Forensic Genealogy's Breakthrough in Cold Cases

The Leslie Prier murder case, unsolved for 23 years, was cracked using forensic genealogy. This method allowed investigators to trace unknown DNA from the crime scene to a distant relative in Romania, who had uploaded their DNA to a public genealogy database. This familial link enabled detectives to construct a family tree, eventually leading them to Eugene Gliggor.

In September 2022, the unknown DNA was sent to Aram Labs. A match to a distant relative in Romania, who had uploaded their DNA to a genealogy database, provided the initial lead. Detectives spent two years building a family tree that led to Eugene Gliggor.

2Covert DNA Collection for Suspect Confirmation

To confirm Eugene Gliggor's link to the crime, detectives executed a covert operation. They guided Gliggor into a secondary screening room at Dulles International Airport, where he was left alone with bottled water. After he drank from and discarded a bottle, agents recovered it, and lab analysis confirmed his DNA matched the crime scene sample.

On June 9, 2024, Gliggor returned from Europe. Undercover agents at Dulles Airport led him to a secondary screening room. He drank from a water bottle, discarded it, and agents recovered it. The DNA from the bottle matched the crime scene DNA.

3Suspect's Denial and Lack of Emotional Response

During interrogation, Eugene Gliggor consistently claimed no memory or recollection of the murder, avoiding a direct denial of involvement. Detectives noted his lack of tears and perceived his distress as 'put on,' suggesting a calculated response rather than genuine shock or grief. His eventual plea of guilty, while claiming no planning, further highlighted his initial evasiveness.

Gliggor repeatedly stated, 'I don't remember. I don't recall.' Detectives observed, 'There's no tears coming out of your face,' and later commented, 'This seems a little put on.' Gliggor eventually pleaded guilty to second-degree murder, stating he 'didn't know' the reason and 'couldn't remember the attack.'

Lessons

  • Law enforcement agencies should actively explore and invest in forensic genealogy techniques for cold case investigations, as demonstrated by its success in solving decades-old murders.
  • Investigators can utilize covert methods, such as collecting discarded items, to obtain DNA samples from suspects when direct consent is not feasible or advisable, provided legal protocols are followed.
  • During suspect interrogations, observe not only verbal responses but also non-verbal cues and the nature of denials (e.g., 'I don't remember' versus 'I didn't do it') as indicators of potential deception or involvement.

Quotes

"

"I don't know what to say. I I'm not I have no recollection. I have no memory. I have no I I I don't know what to say."

Eugene Gliggor
"

"You keep saying you don't remember. And you don't have any recollection. But if somebody was not involved, it would be an adamant I didn't do."

Detective

Q&A

Recent Questions

Related Episodes