Alleged 'Potomac River Rapist' found dead in DC jail cell: police

Giles Warrick, the man accused of being the Potomac River Rapist, was found dead inside a D.C. jail cell on Saturday, according to police.

Metropolitan Police Department officials confirm to FOX 5 that an official at the jail found Warrick dead while doing a routine check around 7:58 a.m.

READ MORE: ‘Potomac River Rapist’ to be held without bond after first DC court appearance

According to MPD, Warrick was found in the cell hanging from a sheet. Warrick was pronounced dead at the scene about 30 minutes later.

Police did not indicate what led up to the death.

Warrick, was accused of a murder and a series of sexual assaults in Montgomery County and D.C. that happened between 1991 and 1998.

Warrick had been charged with first-degree murder among several other charges related to the attacks.

Giles Warrick

Officials said Warrick murdered 29-year-old Christine Mirzayan, who was a National Academy of Sciences intern, in the summer of 1998 as she was walking home from a cookout in D.C.

Warrick is also accused of sexually assaulting nine other women, including an 18-year-old babysitter and two mothers who were home with their children at the time of the attack.

The FBI said eight of the 10 attacks, which began in 1991, were linked by DNA, and all of the attacks were linked by Warrick’s similar violent methods.

READ MORE: ‘Potomac River Rapist,’ who terrorized DC area in 1990s, arrested in South Carolina

Warrick was set to go on trial in the murder case on November 29.

MPD says the investigation into Warrick's death in ongoing.