No one should ever be allowed into law enforcement without an extensive psych eval, a minimum IQ of 110, and far more extensive training. These three prerequisites alone would come closest to resolving most of the reliability, honesty, compassion, judgment, and professional issues that seem to pour out from the cornucopia of bad government & law enforcement. Our “Men in Blue” should be doing their job for reasons other than power tripping and “Payday and Friday Night”!
I would include at least some sort of military service.