now. it is 4:00 in new york. breaking news this hour. we are covering yet another mass shooting in this country. this one on the campus of the university of nevada las vegas this afternoon. it is still early, but minutes ago, police saidsuspect, now dead. as for victims, police say tre appear to betiple although how many exactly is still unknown. at least one of thes of the ooting, unlv s beam hall, the university s business school, mere yards from the student union. law enforcement is still asking people to avoid the area. joining us now, nbc news justice and intel correspondent, ken dilanian. former fbi agent, peter strzok and with me at the table, professor of politics and journalism at morgan state, jason johnson. ken, please fill in the gaps wherever possible. what do we know? well, about an hour ago, the university of nevada las vegas twitter account posted an alert that said university police were responding to a confirmed active shooter in beh, which stands for be