The Sentinel-Echo reports a federal prisoner who escaped custody of Laurel County Correctional Center guards during a transport to Greenville, Tenn. last month remains on the loose three weeks after his escape. 51-year-old Sean Williams had been there since July 31st after he attempted to escape from the Washington County, Tennessee jail. He was being transported to U.S. District Court in Greenville for a court hearing. Williams reportedly managed to release himself from the handcuffs and shackles and kicked out the back window of the van and escaped. Laurel County Jailer Jamie Mosley, law enforcement and U.S. Marshal’s from the Greenville area conducted a search for Williams but were unsuccessful in locating him. In addition to the escape charge, he is facing charges of child sexual assault, child pornography production and drug trafficking. A post from the East Tennessee Valley Crime Stoppers states that Williams was facing several charges of rape, distribution of meth and sexual assault of a minor. He is considered dangerous and law enforcement officials advise that anyone seeing Williams should make no effort to confront him but contact law enforcement immediately.