Unarmed black man tasered by police in the back while sitting on a curb

https://www.independent.co.uk/news/world/americas/unarmed-blackman-tased-police-video-lancaster-pennsylvania-danene-sorace-sean-williams-a8422321.html?utm_campaign=Echobox&utm_medium=Social&utm_source=Facebook#Echobox=1530255342