The Tulsa police have a long and storied historical record of killing people who are not white.  

Here's another video:
http://nyti.ms/2cYbMYM

from "Video Released in Terence Crutcher’s Killing by Tulsa Police"

http://www.nytimes.com/2016/09/20/us/video-released-in-terence-crutchers-killing-by-tulsa-police.html?