Nick Reiner, the 32-year-old son of filmmaker Rob Reiner and Michele Singer Reiner, was arrested and booked for murder after his parents were found dead Sunday.

Nick Reiner, the 32-year-old son of filmmaker Rob Reiner, is in custody after the apparent homicide of his parents.

Los Angeles police are investigating the deaths as homicides. Reiner, who directed “The Princess Bride” and “When Harry Met Sally…,” was 78.