It starts with the idea of there being two typed of people in the world, cops and "civilians". Cops are friends and "civilians" are all potential enemies. This is a bad mind set for police to get into.
Compare it to the military view point that there are our soldier, civilians and enemy soldiers. Enemy soldiers are legitimate targets, civilians are not. Even if they are not our civilians.
Then comes the idea that "your job is to get home safe". Once again compare it to the military mindset when your job is to do your job. Even if it means dying in place.
And the final problem is the idea that you must protect your fellow officer even if he is in the wrong.
This these three concepts turns good people in to the kind that will turn a blind eye to abuse, weak people into abusers and bad people into people who get away with it.
Does anybody know if Mohamed Noor’s partner talked after the saracen murdered Justine Damond?