‘Potomac River Rapist’ suspect appears for 1st time in DC courtroom

This booking photo provided by Horry County shows Giles Daniel Warrick. (Horry County via AP)

The South Carolina man accused of being the “Potomac River Rapist” appeared in a D.C. courtroom for the first time on Thursday.

Giles Warrick, 60, has been charged with the 1998 rape and murder of Christine Mirzayan, a 29-year-old intern at the National Academy of Sciences, in Georgetown.

Warrick has also been linked to rapes in Montgomery County, Maryland. See a map of those attacks here.

Arrested last week, the Conway, South Carolina, man did not fight extradition to D.C. During Thursday’s hearing, he was clad in a gray hoodie and sweatpants, and spoke softly.

Authorities credited the arrest to genetic genealogy, which allowed comparing the attacker’s DNA with what was available on public databases. A similar arrest happened in the “Golden State Killer” case.

Warrick is being held without bond. Another hearing is scheduled for January.

WTOP’s Megan Cloherty contributed to this report.

Jack Pointer

Jack contributes to WTOP.com when he's not working as the afternoon/evening radio writer.

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