Nick Reiner’s schizophrenia diagnosis preceded parents’ deaths, sources say

Reports indicated that Nick Reiner struggled with addiction and was reportedly diagnosed with schizophrenia weeks before the killings
PUBLISHED DEC 19, 2025
Court filings revealed that Nick Reiner faced two counts of first-degree murder, with prosecutors weighing life without parole or the death penalty (Laura Cavanaugh/FilmMagic)
Court filings revealed that Nick Reiner faced two counts of first-degree murder, with prosecutors weighing life without parole or the death penalty (Laura Cavanaugh/FilmMagic)

BRENTWOOD, LOS ANGELES: Nick Reiner, the 32-year-old, charged in the fatal stabbing of his parents, was diagnosed with schizophrenia weeks before their deaths, according to sources familiar with his medical history.

Those sources say that changes to his prescribed medication allegedly preceded a period of increasingly alarming behavior.

Reiner is accused of killing his father, Rob Reiner, 78, and mother, Michele Reiner, 70, inside their Brentwood home. He is currently being held without bail.

Rob Reiner and Nick Reiner attend AOL Build Speaker Series at AOL Studios In New York on May 4, 2016 in New York City. (Photo by Laura Cavanaugh/FilmMagic)
Rob Reiner and Nick Reiner attend AOL Build Speaker Series at AOL Studios in New York on May 4, 2016, in New York City (Laura Cavanaugh/FilmMagic)

Sources describe Nick Reiner's schizophrenia diagnosis

Two sources have reportedly told TMZ that Reiner had been under the care of a psychiatrist and was receiving treatment for schizophrenia in the weeks leading up to the killings.

According to the outlet, doctors altered his medication regimen roughly a month before the incident, after which his behavior became increasingly unstable.

Sources described him as being "out of his head," following the medication change and said that efforts were underway to further adjust his treatment to stabilize him. 

NEW YORK, NY - APRIL 28: Honoree Rob Reiner poses with family at the 41st Annual Chaplin Award Gala at Avery Fisher Hall at Lincoln Center for the Performing Arts on April 28, 2014, in New York City. (Photo by Michael Loccisano/Getty Images)
Honoree Rob Reiner poses with family at the 41st Annual Chaplin Award Gala at Avery Fisher Hall at Lincoln Center for the Performing Arts on April 28, 2014, in New York City (Michael Loccisano/Getty Images)

Reiner had also recently received care at a Los Angeles-based rehabilitation facility specializing in mental health and substance use treatment, according to the report.

Sources indicated that substance use issues may have complicated his mental health condition. TMZ reported that Reiner is expected to plead not guilty by reason of insanity. 

Rob Reiner, wife Michele Singer and daughter Rony Reiner attend the 2019 TCM Classic Film Festival Opening Night Gala And 30th Anniversary Screening Of
Rob Reiner, wife Michele Singer and daughter Rony Reiner attend the 2019 TCM Classic Film Festival Opening Night Gala and 30th Anniversary Screening of 'When Harry Met Sally' (Joe Scarnici/Getty Images)

His attorney, criminal lawyer Alan Jackson, did not immediately respond to requests for comment.

Rob and Michele Reiner were discovered by their daughter, Romy Reiner, inside their home. The Los Angeles County Medical Examiner confirmed the couple died from "multiple sharp force injuries," ruling the manner of death a homicide. 

Nick Reiner's charges and court proceedings 

Reiner was arrested on Sunday night near Exposition Park in downtown Los Angeles. He was initially booked at Parker Center Jail before being transferred to the Twin Towers Correctional Facility, where he remains in custody without bail. 

nick reiner arrest
Nick Reiner was arrested by the LAPD’s robbery homicide division with the help of US Marshals (LAPD, FilmMagic)

Prosecutors charged Reiner on Tuesday with two counts of first-degree murder, along with a special circumstance allegation of multiple murders.

He faces a maximum sentence of life in prison without the possibility of parole or the death penalty if convicted.

Reiner made his first court appearance on Wednesday, where he appeared with disheveled hair and remained largely expressionless throughout the hearing.

He was shackled at the hands and feet and wore a self-harm preventing smock. Reiner spoke briefly, telling the judge, "Yes, your honor," when asked whether he wished to waive his right to a speedy arraignment. 

Their bodies were found on Sunday by daughter Romy Reiner (@michelereiner/Instagram)
Rob and Michele Reiner's bodies were found on Sunday by daughter, Romy Reiner (@michelereiner/Instagram)

According to reports, Reiner had reportedly been living in a guest house on his parents' property and had a long history of substance use and prior rehabilitation stays. 

Sources said that he had allegedly experienced periods of homelessness and had been in rehab nearly 20 times. 

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