You hear about this in the news all the time for mental illnesses.

leaderpost.com/…/court-finds-regina-man-not-crimi…

Dude tried to get help four times, failed, killed his mom, was found not criminally responsible and “The judge ordered that Raefe be sent to a psychiatric hospital. Such a setting will be his reality for the foreseeable future”

It also happens in terms of people with diminished capacity, but they’re often found unfit to stand trial in the first place. Here’s what happens with that in Canada for example. www2.gov.bc.ca/assets/gov/…/mentally-accused.pdf