Here is an interesting link. It lists all the people murdered by the police. As of July 8, 608 people have been murdered by the American police in 2016.
http://killedbypolice.net/It also gives links to data and other information about the police murders and police killings.
To be honest, I suspect a few of these are legitimate killings by the police, but sadly I suspect most of them are just murders by trigger happy police criminals.
Here is the Phoenix Metro area we have one sadistic, evil police murderer. He is
Scottsdale Police Officer
James Peters
who has murdered 6, yes, that's six murders between
2002 and 2012.
Peters was never found criminally at fault for a shooting, but in 2012, Scottsdale paid a $4.25 million settlement to the family of John Loxas, who Peters shot and killed while Loxas was carrying his nine-month-old grandson and had his back turned. The officer was a responding to a call alleging that Loxas had threatened a neighbor with a handgun, and later said that he fired because he saw a black object that might have been a gun in Loxas’s pocket. It turned out to be a cell phone.