don't get pissed at me because you people can't see the logical fallacy here.
Maybe you could try pointing it out.
either the statement by the nurses is a self aggrandizing lie or the shoot was justified.
Maybe you could try explaining what makes this shooting justified.
Look at the contents of the staff's letter. They claim to have these great techniques to ID and subdue people with mental health issues. Those obviously failed. So now we have someone who is a great enough threat to the staff (which said they could subdue him) who feel the need to call in extra help (ie people who know how to subdue people). At that point those trained people took action with physical force. That did not work. The progressed to their next level on their force progression and attempted to use a taser or like device. That did not work. The next level wasn't to get the person a cup of coffee and discuss how many hugs their parents did or did not give them. That is the unfortunate reality of violent encounters. We have one security guard with a cut on the head, which sounds innocuous enough when read, but anyone who knows head lacerations know they bleed like a mother rough rider and that would escalate the fear that something really bad had happened to the security guard.
The fault here lies with the hospital staff, the same people claiming to have these awesome techniques to deal with people, who failed to ID the patient's needs, failed to keep them in the hospital or even the correct ward, and failed to deal with the situation as it escalated. At a certain point the situation has reached a violent point of no return, and that is very unfortunate, but the safety of the officers and staff needs to be valued over that person who is in the middle of a mental break.