The killings of Rob Reiner and his wife Michele Singer Reiner have left their communities in Hollywood and Democratic politics stunned.

After Rob Reiner and his wife Michele Singer were found dead at their Los Angeles home, police say their son Nick Reiner is "responsible."

Rob Reiner’s son Nick was booked into the Los Angeles County jail Sunday on suspicion of murder, records show, hours after the Hollywood legend and his wife, Michele Singer Reiner, were found dead at their Brentwood home.

Rob Reiner and his son, Nick, had a dispute at a party hosted by Conan O’Brien the night before the director and his wife were found dead.

Nick Reiner has been arrested and is in custody on murder charges, after his parents were found dead at their home in Los Angeles

The 32-year-old son of Hollywood icon Rob Reiner was arrested on suspicion of murder and held without bail Monday in the stabbing deaths of his parents in their Los Angeles home, authorities said.

• Two people, a 78 year-old man and 68-year-old woman, have been found dead a home linked to Hollywood director Rob Reiner, officials said. • Homicide detectives from the Los Angeles Police Department are on the scene and conducting an investigation, a law enforcement source tells CNN.

Jane Fonda said Rob Reiner and his wife Michele Reiner were "looking healthy and happy" one day before they were found dead in a double murder at their Los Angeles home Dec. 14: "I am reeling."