Unfortunately cops are human. They get frustrated, scared, pissed, and sad, just like anybody else. You can ask them to be superheroes, but the fact is, they can’t be. They see too much garbage, negativity, hostility, disappointment and abuse to stay above it all. Show me a 20 year cop and I will show you a burnt out human. No one sets out to do evil, but shit happens. They do not have. Cure for the long term effects of taking out the human garbage year after year. Evil seeps in.
But not at work, in uniform.
When you are at work you have to behave in a certain way, you cannot indulge your inner weaknesses and dark impulses, especially if you are a policeman.