Family of mom murdered in ritzy DC suburb decades ago gets justice as perp nobody expected pleads guilty

A killer nobody expected has pleaded guilty in the 2001 murder of a Chevy Chase, Maryland, mother.

Defendant Eugene Gligor, 45, of Washington, D.C., walked free through the nation's capital for more than 20 years before his DNA linked him to then-50-year-old Leslie Preer's murder in 2001.

Preer's daughter, Lauren Preer, told FOX 5 D.C. that she dated the suspect when they were both 15 years old. She was 24 when her mother was killed.

Montgomery County authorities linked DNA found...