"the police — who are trained in the first place to be suspicious — become conditioned to view minorities with added suspicion,” Study finds police fatally shoot unarmed black men at disproportionate rates

https://www.washingtonpost.com/national/study-finds-police-fatally-shoot-unarmed-black-men-at-disproportionate-rates/2016/04/06/e494563e-fa74-11e5-80e4-c381214de1a3_story.html