shooters and they often lead to these overly deadly consequences. >> what a description there. >> let's go to nbc's jacob soberoff. en route to washington, d.c., with a group of students from baltimore. they've been on the road for half an hour. so they plan to be here for the start of the march. they're going to have to get to the back of the line i'm telling you, people are already streaming in, jacob. >> don't you worry about that, alex, we're on our way, i think we're about 33 miles. we just hit a little bit of traffic, but it just opened up again. i met dev moore, a ninth grader, right? >> yes. >> where do you go to school? >> franklin. >> right in baltimore? >> yes. dev was telling me he's got a personal connection to gun violence. tell me about that. >> because i want to get over there and for all of us, you know and like spread the feeling you know, because everybody has got different problems and the shootings is like not good for everybody and the teachers having guns, we ain't, i don't