A man dubbed the “Potomac Park Rapist” — who is suspected in a series of sexual assaults and one murder in Washington, DC, and the city’s Maryland suburbs in the 1990s — was arrested for the attacks on Wednesday, police said.
Giles Warrick, 60, was busted in South Carolina after investigators used DNA evidence to link him to the 1998 murder of a National Academy of Sciences intern who was walking near the Potomac River in the Georgetown section of DC, according to police in South Carolina.
In the 1998 attack, Warrick allegedly sexually assaulted 29-year-old Christine Mirzayan and bludgeoned her to death with a heavy rock, authorities said.
Investigators also linked Warrick’s DNA to a 1996 sexual assault of a 58-year-old woman in the nearby Palisades neighborhood of the city.
The same DNA evidence has been linked to several attacks in the same time period in Montgomery County, Maryland, just north of DC, police said.
Cold case detectives tracked Warrick down by searching family connections using his DNA, The Washington Post reported.
The cops, who already had a DNA profile of the suspect, used a private company in Virginia to root out his potential relatives, according to the report.
This led them to a half brother of the suspect, who told cops he knew Warrick had a history of violence.
Cops tracked Warrick down to Conway, South Carolina, and took a DNA sample from him, according to the report.
He was arrested on Wednesday after the DNA matched with samples taken from the crime scenes, the newspaper reported.
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