…of course they knew.
They just didn’t care. The money that they get buys their silence. In particular, it is the promise of the long money (pension) that keeps them in line.
The American police, and the feds in particular, are the jews’ mercenaries. They know it very well.
The only reason you hear this cop telling the truth is that he is retired; his money is not in danger. A truly honest cop sounds just like one of us. You’ve got the proof.