A wild video posted online over the weekend captured the moment a black police officer punched a Black Lives Matter protester at a rally in Pittsburgh. Seth Taylor, a three year member of the Wilkinsburg Police Department, was snapped punching a protester identified as Vuestro Merced after they intervened while officers were trying to detain another protester, according to Pittsburgh City Paper. Video published online shows officers trying to apprehend a woman who was backing away and shouting obscenities as Merced pushed toward them and grabbed at them. Taylor then swung at Merced, forcing them to the ground as muzzled...