It is not understandable that he lashed out
would it have been understandable if he had pulled out a firearm and shot him
you have to keep in control this is your role, your job what you have been trained to do
the approach from behind, the very quick actions of putting him into a headlock show that they were expecting a level a resistance of course not to be attacked but why the approach in this way
working in mh I have too often seen police pumped up ready for action and disappointed when there is none and those that seem very happy to apply force
i have also worked with police that have been fantastic when they have needed to restrain someone or escort them and been respectful