Bill Maher shared how his pal Rob Reiner was having a tough time in Hollywood before his death, along with the shocking reason why.

Rob Reiner, who segued from starring in “All in the Family” to directing movies including “ This Is Spinal Tap ,” “A Few Good Men” and “When Harry Met Sally…” was found stabbed to death Sunday afternoon in his Brentwood home alongside his wife Michele Singer. He was 78.