Jason Davis, one of the addicts on the fourth season of Celebrity Rehab with Dr. Drew, has definitely fallen off the wagon. Jason’s claim to fame is his grandfather Marvin Davis, an oil tycoon who owned 20th Century Fox from 1981 until 1985, when he sold it to Rupert Murdoch (so, now we know who to blame).

Davis has been charged with felony possession of a controlled substance (heroin) following his January 27 arrest. At the time, he was charged with being under the influence of a controlled substance. He could face three years in prison if all charges stick. During the show, Davis was often at odds with fellow addict Janice Dickinson.