New York Police Unions Hold Press Conference (video)
The police here are being very candid. They make their case and make it well. Most police do a good job but.....
Some police unions have indeed helped to cover for corrupt police, some years ago yours truly reported on a police union doing so for a corrupt Alaska state trooper who threatened to murder family members of state officials. While not all unions behave like this, some do.
https://www.youtube.com/watch?v=9nhWAAKSDBQ&feature=youtu.be&t=145