There is a bright side to all this stuff. More and more cell phone cameras are catching our public servants in these acts of brutality. That must really tick them off. ;0)
There could potentially be plausible causes for all of this. But yes, the “thin blue line” (which really needs to remember there is also a thick red one comprising what used to be called the “militia”) needs to remember almost anytime is Candid Camera time now, so please keep your high fives etc. private. The tax payer will thank you for the needless settlements, legal fees, etc. he does not have to pay.