Director-actor Rob Reiner and his wife Michele were the two people found dead Sunday at a Los Angeles home owned by Reiner, according to a law enforcement official briefed on the investigation. The official could not publicly discuss details of the investigation and spoke to The Associated Press on condition of anonymity.Investigators believe they suffered stab wounds and a family member is being questioned by investigators, the official said.The Los Angeles Fire Department said it responded to a medical aid request shortly after 3:30 p.m.