A son of film director Rob Reiner and Michele Singer Reiner has been arrested and booked on suspicion of murder after the couple were found dead in their Los Angeles home.

The Los Angeles Police Department said on Monday that Nick Reiner, 32, had been arrested and that he was in custody with no bail.

The deceased couple's 28-year-old daughter, Romy, found her parents in their home with multiple stab wounds on Sunday, sources told CBS News.

Emergency services were called to provide medical aid at the Reiners' Brentwood, California, home at around 15:38 local time (23:38 GMT) on Sunday. The Los Angeles Fire Department said two people - later identified as Rob Reiner, 78, and his wife Michele, 68 - were pronounced dead at the scene.

Nick Reiner has spoken publicly about his struggles with addiction and homelessness. His experiences formed the basis of the semi-autobiographical film Being Charlie, which he made with his father in 2015.

The family's home is in Brentwood, a wealthy celebrity enclave full of large mansions, boutique shops, and restaurants.

Rob Reiner is known for directing several iconic films including When Harry Met Sally, This is Spinal Tap, Stand By Me, and A Few Good Men. He was an outspoken political activist and supporter of Democratic candidates.

The investigation remains ongoing, and police have not yet disclosed a motive. This tragic situation has drawn mixed reactions, including political comments from figures such as President Donald Trump and support from friends and colleagues highlighting Rob and Michele's roles as devoted parents.

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