LOS ANGELES, CA — Teen superstar Justin Bieber returns this week to the set of "CSI: Crime Scene Investigation," where he made his acting debut last fall. He will reprise his role as Jason McCann, a troubled teen whose brother was killed by the CSIs at the end of the Season 11 premiere. The episode now shooting, "Targets of Obsession," begins with Jason calling Nick (George Eads) to tip him off that he's in imminent danger. It is scheduled to air Thursday, February 17 (9:00-10:00 PM, ET/PT) on CBS.