Billy Crystal and his wife Janice saw the slain bodies of Rob Reiner and his wife Michele … because TMZ has learned they arrived at the scene in a flash after a family member called them about the horrific discovery. Sources with direct knowledge…

Nick Reiner is on suicide watch after being arrested on suspicion of murdering his parents, Rob and Michele Reiner … TMZ has learned. Law enforcement sources tell TMZ … Nick is on suicide watch and in administrative segregation at Twin Towers…

Tanya Brown — whose sister, Nicole Brown, was slain in 1994 — opened up to TMZ about the eerie similarities between Rob and Michele Reiner’s killings and the brutal murder of her sister, which sparked the infamous O.J. Simpson murder trial. Tanya…

Rob Reiner and his wife Michele’s deaths have sent shockwaves through Hollywood … and Donnell Rawlings is opening up to TMZ about the tremendous impact Rob had on the entertainment industry, and how profound the loss of the couple is. We caught…

2:45 PM PT — Authorities gave a public update to Saturday’s Brown University campus mass shooting case in a Monday afternoon press conference shortly after releasing new images and videos of a person of interest in the case … who remains at…

Nick Reiner — the son of Rob and Michele Reiner, who’s been arrested on suspicion of murdering his parents — stuck out like a sore thumb at Conan O’Brien’s Christmas party … and he was acting out of place. Sources at the party, which went down…

Donald Trump is doubling down on his jaw-dropping claim that Rob Reiner might still be alive if he’d been nicer about him — branding the acclaimed director a bad influence on the United States. Asked Monday in the Oval Office about Republicans…

Chrisean Rock is apparently taking her street-fighting talents to the ring … revealing she plans to go pro in boxing — with Ryan Garcia as her trainer — following her fight in Compton. That’s what the “Baddies” alum said on Monday … right on…

Soledad O’Brien stopped by “TMZ Live” Monday, still reeling from the loss of her collaborator Rob Reiner and his wife Michele … and Soledad had some choice words for Donald Trump’s disparaging post about the late actor-director. Soledad got to…