So horrific. Rob and Michele Reiner's causes of death have been announced, and it's heartbreaking. Rob and Michele died from "multiple sharp force injuries," the Los Angeles County Medical Examiner announced on Wednesday. The manner of death was ruled a homicide. What a cruel and miserable way to go. Related: Nick Reiner's Sister Romy Was 'Traumatized' By His Behavior The couple was found dead on Sunday in their Brentwood, California home. Their daughter Romy is the one who first discovered the tragedy.