The Reiner family is in "shock" over Rob and Michele's murder. The famed director and his wife were found dead by their daughter Romy in their California home on Sunday. Their son Nick has since been arrested for the brutal killings and is being held on bail. Get caught up on all the devastating details HERE. Related: Social Media Star Brie Bird Dead At 9 Ahead of this arrest, Rob's eldest child, his adopted daughter Tracy - from his first marriage to the late Penny Marshall - opened up about the horror unfolding.