Nick Reiner Reportedly 'Childlike' & 'Delirious' in Jail | The Rob Reiner and Michele Singer Murders

Tonight, we’re digging into new reporting and jailhouse accounts describing Nick Reiner’s behavior behind bars following his arrest in the murders of his parents, Rob Reiner and Michele Singer. According to sources, Reiner has been described as childlike, detached, and at times delirious while in custody, raising fresh questions about his mental state after the killings. We’ll break down what’s being claimed, where the information is coming from, and what it does and does not mean legally as this case moves forward.

Case Background:
Rob Reiner, the acclaimed Hollywood director and actor, and his wife, Michele Singer Reiner, a prominent photographer and producer, were found stabbed to death in their Brentwood, Los Angeles home on Sunday, December 14, 2025. Their daughter, Romy Reiner, discovered their bodies after first responders were called to the residence in the afternoon. The Los Angeles County Medical Examiner ruled their deaths homicides, caused by multiple sharp force injuries. Their 32-year-old son, Nick Reiner, was arrested later that same day and has been charged with two counts of first-degree murder in connection with his parents’ deaths. He is being held without bail, and prosecutors have noted special allegations related to multiple killings and the use of a deadly weapon.

Nick Reiner has a documented history of mental health struggles and substance abuse. In the weeks prior to the killings he was reportedly undergoing treatment for schizophrenia and addiction, with at least one adjustment to his psychiatric medications said to have contributed to unstable behavior, according to some sources.

Sources close to the family told reporters Rob and his son had been seen arguing the evening before the deaths, at a holiday gathering. Investigators believe the fatal stabbings occurred in the early morning hours of December 14, after which Nick reportedly left the scene before being located and arrested near the University of Southern California several hours later.

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