In God We Strongly Suspect

David and Maddie are hired to watch over the body of an escape artist. He threatened that he would come back from the dead and kill his widow. The detectives spend the night in the morgue, but in the morning the corpse has disappeared, and soon afterwards the widow is found dead. Maddie and David discover that the escape artist is in fact still alive and involved in a diamond heist, during which he seemingly dies again.