Article continues below advertisementRob and Michele Reiner's troubled son Nick was diagnosed with schizophrenia before he allegedly murdered both of his parents on Sunday, December 14.According to a new report, the medication the 32-year-old was recently prescribed caused "alarming" behavior and made him become "erratic and dangerous."Article continues below advertisementNick Reiner Took Medication for SchizophreniaSource: @michelereiner/instagramNick Reiner's medication for schizophrenia made him 'erratic,' an insider revealed.