Nick Reiner Placed Into Mental Health Conservatorship in 2020

Nick Reiner was placed into a mental health conservatorship for one year, which may have resulted from an involuntary psychiatric hospitalization ... according to The New York Times.

NYC's newspaper of record published its findings Thursday ... citing Steven Baer, a licensed fiduciary who was Nick's appointed conservator, and a clerk for the Los Angeles County Superior Court. However, they did not provide any details beyond confirming Nick was in the conservatorship in 2020.

Reiner was placed in an LPS conservatorship -- a type of conservatorship initiated by a doctor which usually follows an involuntary psychiatric hospitalization -- sometime in 2020. This is a different kind of conservatorship than the ones celebs like Britney Spears underwent.

An LPS (Lanterman-Petris-Short) conservatorship typically lasts one year, but the conservator is allowed to file for a renewal. It's unclear why Nick's conservatorship wasn't renewed after the initial one-year term. It ended in 2021, according to the NYT, citing the clerk.

We broke the story ... Nick, now 32 years old, had schizophrenia ... we know that around 2020 Nick was diagnosed with schizoaffective disorder -- a mental illness with symptoms that include delusions, hallucinations, mania and severe depression.

Meds he was taking in the months leading up to the deaths of his parents, Rob and Michele Reiner, were effective ... but also led to weight gain, our sources say. Doctors changed Nick's meds ... which caused his behavior to become more erratic.

Rob and Michele were found stabbed to death in their Los Angeles home in December. Nick was arrested and charged with their murders -- but, due to the recent withdrawal by his lawyer Alan Jackson, his arraignment isn't scheduled to take place until next month.