Nick Reiner, who is charged in connection to the murders of his parents Rob Reiner and Michele Singer Reiner, reportedly doesn’t understand why he is behind bars. According to a Friday TMZ report, the 32-year-old is delusional.

It remains to be seen if claiming insanity ends up being a successful defense strategy. Nick Reiner's defense lawyer, Alan Jackson, is well-known, famously representing Karen Read while she was in court. And given just how famous his father, Rob Reiner, was, the ongoing story will also likely be judged by the court of public opinion.

After the murders of Rob and Michele Reiner, sources say the family drew a firm line that changed everything for Nick.

Nick Reiner is expected to appear in court at his arraignment, where he'll be formally charged for allegedly killing parents Rob and Michele Reiner.

The 32-year-old stepped out to his arraignment hearing at Los Angeles’ Clara Shortridge Foltz Criminal Justice Center on Wednesday morning.

Nick Reiner arrived in court with a newly shaved head and appeared visibly emotional as his arraignment began in Los Angeles on Wednesday, Jan. 7. Nick, 32, is facing two counts of first-degree murder in connection with the deaths of his parents Rob Reiner and Michele Reiner.

Accused murderer Nick Reiner is due back in court for his arraignment, a legal proceeding that is typically short but could be revealing.