Footage shows a group of police officers placing a hood over a black man's head before pressing his face into the pavement, after he was found running naked through the streets of a western New York city. Daniel Prude died of asphyxiation on 30 March after he was taken off life support, seven days after the encounter with police in Rochester. His death received no public attention until Wednesday, when his family held a news conference and released police body camera video and written reports they obtained through a public records request