Giles Daniel Warrick was arrested on November 13, 2019 and charged in the August 1, 1998 rape and murder of 29-year-old Christine Mirzan in Washington, D.C., as well as a series of sexual assaults in Washington, D.C. and Montgomery County, Maryland in the 1990s. The suspect in these crimes was known as the Potomac River Rapist.
Mirzan was an intern at the National Academy of Sciences who had recently moved to the area. She was walking home from a barbeque to the student housing at Georgetown University on the night she died. She had been sexually assaulted and bludgeoned to death with a heavy rock.
Seven of the nine rapes were linked by DNA profiles obtained from crime scene samples. The FGG investigation was conducted by Parabon Nanolabs in cooperation with Montgomery County Police Department officer Steven ‘Smugs’ Smugeresky.
The case against Warrick was pending in D.C. Superior Court. He pled not guilty to the charges, and his trial was scheduled to begin on November 29, 2022. However, on the morning of November 20, 2022, Warrick was found dead in his cell from an apparent hanging. The case has now been closed.
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