this a white gunman turns a gun on three black people, killing them, before turning the gun himself. they detail a manifesto that was sent to local law enforcement as well as local media, even his own parents, detailing his desire to kill black people. using the n-word several times. this press conference was illuminating and disturbing. they also detail swastikas that were drawn on guns that this shooter was carrying on his body. still so many questions in need of answering, but nonetheless, a community left grieving for yet another gun violence tragedy. >> all right, in this nbc news correspondent mrsa parra, thank you for that. let's bring into the conversation jim kavanaugh, msnbc terrorism analyst who's joining us on the phone. also with me, a guy junior, msnbc political analyst and chair of the african american studies department at princeton university. jim, i will start with you. authorities are not identifying the suspect just yet. they did reveal though that he is a white male in his early twenties. they found his manifesto, one