Knowing that his/their son was on the edge, do the parents have any responsibility with the events? Could dad's pull have got him a jail cell for the night where he would be safe from himself and others? Sounds like he took the kid home and did not limit access to lethal objects./weapons.
https://www.washingtonpost.com/national/...story.html
http://www.nbcwashington.com/news/local/...53761.html
https://www.washingtonpost.com/national/...story.html
http://www.nbcwashington.com/news/local/...53761.html
Being told you're delusional does not necessarily mean you're mental.