Billy Crystal in Tears After Rob Reiner's Murder; Son Arrested

• Actor Billy Crystal was seen in tears outside Rob Reiner's home after the director and his wife, Michele Singer Reiner, were found dead.
• Rob Reiner, 78, and Michele, 68, were discovered with apparent stab wounds on December 14.
• Their son, Nick Reiner, 32, was arrested on suspicion of murder and remains in police custody without bail.
• Crystal and Reiner shared a decades-long friendship and collaborated on iconic films like When Harry Met Sally... and The Princess Bride.
• Hollywood mourns the loss of the acclaimed filmmaker, with an ongoing investigation into the deaths.

Why It Matters: Hollywood mourns Rob Reiner's murder; his son Nick Reiner arrested as Billy Crystal grieves.