LOS ANGELES (AP) — Rob Reiner’s younger son, Nick Reiner, was in custody Monday after being booked for what investigators believe was the fatal stabbing of the director-actor and his wife at their Los Angeles home a day earlier, authorities said.

It was not immediately clear what charges , 32, would face. Online records show he remained in jail on Monday. Police Chief Jim McDonnell said he is being held on $4 million bail.

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