contacted the police after receiving a text message telling them to check his computer. >> the shooter had several manifesto, is one of his parents, one for the media, one for federal agents. portions of these manifest as detailed the shooter's disgusting ideology of hay. plainly pai, the shooting was racially motivated and he hated black people. >> the shooting was a jarring just a position to the 60th anniversary celebration of the march on washington simultaneously taking place in the nation's capital yesterday afternoon, where black leaders spoke out about the tragic event. >> we must end gun violence. >> we feel the pain of living in a country where gun violence is the leading cause of death for children. >> now, gun violence has come for places of worship, our schools, and our shopping