Nick Reiner may remain on suicide watch and in solitary confinement for the foreseeable future as he faces charges for the double murder of his parents, Rob and Michele Reiner.

As new reporting continues to add context to Nick Reiner’s long-standing mental health struggles — including accounts that his behavior became increasingly unstable after a medication change in the weeks leading up to his parents’ deaths — a former yoga instructor who worked closely with the Reiner family is now speaking about what those challenges

Combining zealous courtroom advocacy with a deft media touch, Nick Reiner's defense lawyer, Alan Jackson, aims high in tough cases.

Nick Reiner was diagnosed with schizophrenia several years ago and his medication was changed or adjusted at some point before the killings of his parents, according to three sources with direct knowledge of the case.

Nick Reiner was an unsolvable dilemma for his parents ... so says a substance abuse treatment expert. Nick Mathews -- the founder and CEO of Southern California-based treatment center Stillwater Behavioral Health -- joined us on "TMZ Live,

From my faithful Howard listening, I had heard Nick and his dad, Rob Reiner, talking about their new movie, Being Charlie, on the show. It was a film Nick had written with a friend he met in rehab, and it was all about drug addiction and recovery. I surmised he would be a great guest on Dopey.

Rob Reiner and his wife, Michele Singer Reiner, were found dead in their Los Angeles home hours after leaving O'Brien's holiday party over the weekend.