Billy Crystal and Larry David were seen arriving separately at Rob Reiner’s Brentwood home last night, shortly after news broke that Reiner and his wife, Michele Singer Reiner, were found dead in what authorities are treating as an apparent homicide. Sources told People that investigators believe the couple was killed by their son, Nick. The bodies were reportedly discovered by their daughter, Romy. Crystal and Reiner had a long creative partnership, working together on iconic films like When Harry Met Sally…, This Is Spinal Tap, and The Princess Bride. Reiner also appeared on Larry David’s Curb Your Enthusiasm.