Article continues below advertisementRob Reiner described his son Nick as healthy and stable just weeks before the 32-year-old was arrested and charged with the brutal killings of the acclaimed filmmaker and his wife, Michele - in a contrast that has shocked Hollywood and investigators alike.OK! can reveal the 78-year-old When Harry Met Sally... director's comments were made in a September interview, recorded three months before the killings. Rob spoke optimistically at the time about his son's long struggle with addiction while promoting This Is Spinal Tap II: The End Continues.