Rob Reiner Death

Billy Crystal and Larry David showed up Sunday night at the house of their longtime friend Rob Reiner, who was stabbed to death with his wife Michele, allegedly by a family member.

FOX News obtained video of Billy arriving at the Brentwood home of Rob and Michele after the couple's throats were slit by a family member, possibly after a heated argument, according to sources with direct knowledge of the case. PEOPLE reported their son, Nick, is being questioned by police. LAPD's elite Robbery Homicide Division is investigating the double homicide.

One neighbor told ABC7 that Billy looked as if he was about to cry.

Rob Reiner spent some of his final hours in conversation with actor and comedian Eric Idle ... speaking with him for more than an hour before Reiner and his wife, Michele, were tragically killed at their Los Angeles home.

The "Monty Python" star took to X on Sunday night ... writing, "Rob Reiner was a lovely man. I spoke to him last night for over an hour. I always enjoyed his company. I met him at his Dad's in 1975. He was telling me about filming at Stonehenge and his thoughts for the future."

He went on to say ... "This is so awful. I shall miss him. A clever, talented, and very thoughtful man. So awful."

Reiner and Idle were friends for 50 years.

Rob Reiner -- the legendary director -- and his wife Michele Singer Reiner have died ... TMZ has learned.

As we told you ... two dead bodies were found in Rob and Michele's Brentwood home Sunday afternoon -- and law enforcement sources tell us it is the Reiners.

Our sources say the two suffered lacerations consistent with a knife. The LAPD's Robbery Homicide Division is still investigating.

Dispatch audio captures a firefighter calling for backup to the Brentwood mansion around 3:30 PM ... though it doesn't provide any further information about the circumstances in the abode.

7:25 PM PT -- We've now confirmed the two people found deceased are in fact Rob and his wife Michele. Click here to read more.

Two people were found dead at a home in West L.A. owned by Rob Reiner and his wife Michele Sunday ... TMZ has confirmed.

The Los Angeles Fire Department was called to the home around 3:30 PM PT for medical aid ... and, authorities found a man, approximately 78, and a woman, approximately 68.

We've confirmed the house does in fact belong to the "This Is Spinal Tap" director ... though we do not know the identities of the deceased at this time.