Is parading him in front of cameras at freezing temperatures essential for disarming him? Your imagination is clearly getting the better of you.
I very much would expect that if these officers would be doing their deeds in any country where the rule of law rules (admittedly there are only a few of those left these days) the officers would be assured of a very long stay in prison for abusing their office and unreasonable punishment even if the person in question was a mass murderer.
What we have learned from history: tit for tat doesn’t work. There is NO justifiable reason to treat your fellow human being like this. End of.