Rob Reiner's struggle to find love inspired "When Harry Met Sally." When he met his future wife, Michele, on the set, he changed the film's ending to a happier one.

Nick Reiner, 32, appeared in court on Wednesday wearing suicide prevention vest after being charged with murdering parents Rob and Michele Reiner in Brentwood.

Rob Reiner's son Nick Reiner was "entitled" and "wanted to live a life that didn't exist," a source close to the family tells PEOPLE. The 32-year-old, now charged with killing his parents, previously spoke about having "no identity" and "no passions" growing up in the shadow of a famous father.

Jake and Romy Reiner, the children of renowned Hollywood director Rob Reiner and wife Michele Singer Reiner, are speaking out for the first time.

In the wake of their tragic killings, the Hollywood couple are survived by Nick and their two children, Jake, 34 and Romy, 28. Rob was also father to daughter Tracy, 61, from his first marriage to the late Penny Marshall.

Nick Reiner briefly appeared in court in the killing of his parents, Rob Reiner and Michele Singer Reiner, who'd suffered "sharp force injuries."

Rob Reiner was many things - an accomplished comic actor before applying his talents to directing, and for decades an outspoken advocate for his beliefs. Above all, he was one of Hollywood's great humanists.

Nick Reiner has publicly acknowledged battles with drug addiction and periods of homelessness that occurred when he refused to seek treatment for substance abuse, saying he entere