I agree that the vast majority of police officers in the United states are good people, trying to do the right thing. The problem is when you read things like this:
A former FBI agent has documented links between serving officers and racist militant activities in more than a dozen states
www.theguardian.com
White supremacists and militias have infiltrated police across US, report says
and you see things like this:
or hear things like this:
A sheriff in Arkansas resigned after audio of a racist rant was leaked online.
www.usatoday.com
Arkansas sheriff resigns after leaked audio of racist rant draws protesters, backlash
It makes you question those split second decisions that officers across the country make,,