Nick Reiner 'almost childlike in jail' after parents' alleged murders, Fox Nation documentary reveals

Fox Nation

Nick Reiner 'almost childlike in jail' after parents' alleged murders, Fox Nation documentary reveals

Harvey Levin claims Rob and Michelle Reiner's son can't process consequences of what he allegedly did

Max Bacall Fox News

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January 19, 2026 6:08pm EST

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TMZ uncovers new details about Reiner murders in Fox Nation special

TMZ executive producer Harvey Levin discusses the murders of acclaimed film director Rob Reiner and his wife and the new show ‘TMZ Investigates: The Reiner Murders,’ now streaming on Fox Nation.

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A new "TMZ Investigates" special on Fox Nation claims Nick Reiner is in no mental state to stand trial for the alleged murders of his parents, Rob and Michele Reiner, as the program reveals new details about his mental state, medication changes and the case against him.

"He is not competent to stand trial right now. He is almost childlike in jail, we're told," TMZ executive producer Harvey Levin told "Fox & Friends" on Monday.

"He can't process the consequences of what he's done. He knows what he did. He just can't understand where he is right now, and I know that sounds crazy, but he is out of his head right now."

Rob Reiner stands with his arm around his son, Nick Reiner

Director Rob Reiner and his son Nick Reiner attend AOL Build Presents: "Being Charlie" at AOL Studios In New York on May 4, 2016, in New York City. A new documentary from TMZ alleges Nick is not mentally competent to stand trial. (Rommel Demano/Getty Images)

Doctors had changed Nick's medication a month before the murders due to his complaints of weight gain, and that adjustment "messed Nick up," Levin said, explaining that Nick was diagnosed with schizoaffective disorder — which can cause delusions, hallucinations and mood disorders.

ROB REINER AND WIFE MURDERED: TIMELINE SHOWS ARGUMENT WITH SON NIGHT BEFORE DEATHS

Levin described the alleged murders as "incredibly brutal."

"We know people in the medical examiner's office who are traumatized just by the pictures," he said.

Nick Reiner appears on Build series, wears tan jumpsuit in a sketch in court.

A photograph of Nick Reiner is seen alongside a courtroom sketch of him. Reiner was charged with two counts of first-degree murder in the stabbing deaths of his parents, Rob and Michele Reiner. (Getty Images/Mona Edwards)

NICK REINER BELIEVES HE'S A VICTIM OF 'CONSPIRACY' WHILE IN JAIL FOR PARENTS' MURDERS: DOCUMENTARY

He claimed the killings had "all the markings of a meth murder" and that Nick had been using meth when he was "off the rails" after his medication switch-up, adding that he was arrested in a drug den.

"It has the markings of somebody who was just wild, wildly strong. We have not gotten the confirmation of that, but we've talked to people... If he were just Nick Reiner without something additional, the carnage wouldn't have been the way it was," Levin said.

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Defense attorney Alan Jackson speaks after withdrawing from Nick Reiner murder case

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Given the case shaping up against Nick, Levin also touched on why Alan Jackson, the high-profile attorney who previously represented Nick before stepping away from the case, maintains that he is not guilty.CLICK HERE TO JOIN FOX NATION

"[Jackson] says [Nick] is not guilty. What he's really saying is, not guilty by reason of insanity. And I think that's gonna be the plea in this case, because there's no way he'll plead not guilty."To learn more about the grisly case that's rocked the nation, subscribe to Fox Nation and stream "TMZ Investigates the Reiner Murders: What Really Happened."

Max Bacall is an Associate Editor for the Flash/Media/Culture team at Fox News Digital.

Nick Reiner 'almost childlike in jail' after parents' alleged murders, Fox Nation documentary reveals