Watch CBS4 investigative reporter Brian Maass' two-part series tonight andFriday night on CBS4 News at 10 p.m.

The accusations are astounding: that the top therapist at a Colorado youth prison supplied teenage offenders with hallucinogenic drugs like ecstasy and mushrooms, showed pornography in group therapy sessions, and even smuggled in his young girlfriend to have sex with some of the teens. The top law enforcement investigator calls it one of the wildest cases he's ever seen. The prison's director calls it the most unusual event in the facilities' 9 year history. On CBS4 News at 10 p.m.Thursday and Friday, October 29 and October 30, the therapist and his girlfriend reveal their stories for the first time.