Montgomery County Police Department Teams with Othram to Identify the Suspect in 2001 Murder of Leslie Preer

After 23 years, 44-year-old Eugene Teodor Gligor has been arrested in the 2001 murder of Chevy Chase, Maryland resident Leslie Preer.

You can help by contributing funding.

Help fund another case Your contributions pay for lab supplies and research tools

Would you like to help solve cases like this one?

You can help by contributing your DNA data here:
Contribute DNA
Published June 19 by Michael Vogen
Media Inquiries


In May 2001, officers with the Montgomery County Police Department were dispatched to the home of Leslie Preer located in the 4800 block of Drummond Avenue in Chevy Chase, Maryland. Preer, who lived in Montgomery County, just north of Washington, D.C., had not shown up for work, prompting a visit by police. Upon entering Preer's home, officers determined that a crime had been committed. Officers found Preer's body inside of her home and determined that she was a victim of homicide. Investigators collected evidence from the crime scene.

For twenty-three years, police worked diligently to determine who was responsible for killing Leslie Preer on May 2, 2001. Traditional DNA testing did not yield a match, and a suspect could not be identified. In September 2022, Montgomery County Police Department teamed with Othram to determine if advanced DNA testing could help to identify the perpetrator.

The Montgomery County Police Department submitted forensic evidence to Othram in The Woodlands, Texas so that a DNA profile could be developed for the unknown suspect. Using Forensic-Grade Genome Sequencing®, Othram scientists built a comprehensive DNA profile for the unknown suspect. After completing the process, the DNA profile was delivered to investigators so that a forensic genetic genealogy search could be performed to develop new investigative leads in the case.

Using forensic genetic genealogy, law enforcement investigators identified a potential male suspect in the case. In June 2024, Montgomery County Police Detectives collected DNA evidence belonging to the potential suspect. This evidence was compared to the original DNA evidence collected at the crime scene in 2001. This comparison yielded a positive match, confirming the identity of the suspect as Eugene Teodor Gligor.

A warrant for Gligor’s arrest was requested and obtained on Saturday, June 15, 2024. Gligor, who is currently 44-years-old, was arrested by the U.S. Marshal's Task Force in Washington, D.C. on June 18, 2024. Gligor has been charged with first-degree murder. The arrest warrant will be sent to Washington, D.C., to serve as a detainer pending Gligor's extradition process.

The identification of Eugene Teodor Gligor represents the fourth case in the state of Maryland where officials have publicly identified an individual using technology developed by Othram. Earlier this week, the suspect in the rape and murder of Rachel Morin was identified after a 10-month-long nationwide search for an unknown man was launched following her August 2023 rape and murder.

Help fund another case Your contributions pay for lab supplies and research tools

Michael Vogen

Michael Vogen

Director of Case Management

2829 Technology Forest Blvd Suite 100, The Woodlands, Texas 77381

Michael works with law enforcement agencies throughout the United States and Canada on “unsolvable“ cases that can benefit from advanced DNA testing methods. He helps these agencies use cutting edge DNA sequencing and new forensic techniques to develop investigative leads for their cases.

Similar cases

Read More
Read More
Read More
About Othram Inc.

Othram is the world’s first private DNA laboratory built specifically to apply the power of modern parallel sequencing to forensic evidence. Othram’s scientists are experts at ... Read morerecovery, enrichment, and analysis of human DNA from trace quantities of degraded or contaminated materials. Founded in 2018, and located in The Woodlands, Texas, our team works with academic researchers, forensic scientists, medical examiners, and law enforcement agencies to achieve results when other approaches have failed. Follow Othram on Twitter @OthramTech or visit to learn how we can help you with your case. With anyone can make a difference and help solve the next cold case.