Rob Reiner's son, Nick, was arrested on Monday in connection with the murder of the Hollywood director and his wife, Michelle, and booked on $4 million bail.

The Gateway Pundit reported that actor/director Rob Reiner and his wife, Michelle, were found dead in their home with knife wounds on Sunday, as first reported by TMZ.

PEOPLE was first to report that Reiner's son, Nick, stabbed his parents to death.

Reiner was open about his son Nick's drug addiction and made a movie about the family's experience with his drug problem.

According to The New York Post, Nick Reiner has been charged with murder.

The couple's daughter, Romy, found the couple in their home with their throats slashed.

Rob Reiner's Best Films: From 'Spinal Tap,' 'Misery,' and 'Princess Bride' to 'When Harry Met Sally' and 'A Few Good Men'