Article continues below advertisementRob and Michele Reiner's son Nick has allegedly been placed on "suicide watch" and is "in administrative segregation" after he was arrested in connection to their horrific murders, a report revealed.Nick, who has struggled with drug abuse since he as a teen, was taken into Twin Towers Correctional Facility in L.A. on the same night of the Sunday, December 14, slaying and booked the following day. He's being held without bail.