Article continues below advertisementNick Reiner's former coworker revealed red flags he saw in his demeanor - 10 years before he was arrested for allegedly killing his parents, Rob and Michele Reiner.Nick, 32, who is a drug addict, interned for Fox's hit sitcom Family Guy in 2014 after he finished rehab. A production assistant, who has opted to remain anonymous, worked with Nick on the show and recalled his strange behavior at the time.