Article continues below advertisementIt won't be easy to prove Nick Reiner was out of his mind when he murdered his parents, Rob and Michele Reiner. According to legal expert Josh Ritter, who appeared on Fox News ahead of Nick's arraignment on Wednesday, January 7, the troubled former screenwriter's defense team is "going to have their hands full" with an insanity plea. "I don't think it's going to be as easy a path as they might imagine," he told Fox and Friends First's Todd Piro.