Details of Disappearance O'Brien was last seen at his apartment on Sanger Avenue in Waco, Texas on April 29, 2002. He has never been heard from again. His apartment was found thoroughly cleaned after his disappearance, and his burgundy pickup truck was found abandoned near a bus stop in Dallas, Texas two days later, also in immaculate condition. Dallas is about 100 miles north of Waco.
Authorities believe O'Brien was selling methamphetamine to the Aryan Circle, a violet white supremacist gang, in 2002, and they think he was murdered as a result. His disappearance remains under active investigation and police hope to find his body. His father died in 2009. O'Brien's disappearance remains unsolved.
- Federal Bureau of Investigation
Updated 1 time since October 12, 2004. Last updated January 18, 2014; details of disappearance updated.