LOS ANGELES (AP) — The killings of Rob Reiner and his wife Michele Singer Reiner have left their communities in Hollywood and Democratic politics stunned. Their son, Nick Reiner, has been arrested on suspicion of killing them. Los Angeles police said they would present a case on Tuesday to prosecutors for potential charges. Rob Reiner was a celebrated actor and director known for films like “When Harry Met Sally…” and “The Princess Bride.” Michele Singer Reiner was a photographer and LGBTQ+ rights advocate. The couple was deeply involved in Hollywood and Democratic politics. The communities celebrated their contributions to film and activism while expressing their sadness Monday.