You need to look at this article in the guardian today ==
http://www.theguardian.com/us-news/2015/mar/04/police-killed-people-fbi-data-justifiable-homicides 75.83.209.135  

 Another important Guardian article today 

http://www.theguardian.com/us-news/2015/mar/18/police-killings-government-data-count 75.83.209.135  

Added to article as part of this edit.  Thanks for the pointer!   

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