Putting an ear-ring on a pig doesn't make the pig smell any better...
Any law enforcement officer who is willing destroy someone's life and family because the officer is trying to save the neighborhood - or even trying to avert WWIII - is just as much a thug deserving of our full disdain, as the law enforcement officer who is willing to destroy someone's life and family to cover-up his involvement in killing a president for whatever reason....
There is no justification here at all... the end result, does not justify the means to that end....