Nick Reiner, who has been charged with the murder of his parents, Rob Reiner and Michele Singer Reiner, was placed into a yearlong mental health conservatorship in 2020, according to two people with knowledge of the legal arrangement.

Mr. Reiner, who is accused of killing his parents, was under a yearlong legal arrangement that allows for involuntary psychiatric treatment.

Reiner, who is accused of killing his parents, was under a yearlong legal arrangement that allows for involuntary psychiatric treatment.