Might the personality type most excited by inflicting pain on others be drawn to “serve” on a police force? Might force itself be an allurement to such a personality? Moreover, might organizations populated by the personality be inclined to set up defenses against being held accountable either internally or by other organizations? At the very least, deference ought to go to the victims rather than the “officers.”
The full essay is at "Does Lawful Power Attract Criminals."