reporter: jeremy smith and sam fellburn are the current student body president and vice president at virginia tech. they noticed this group and medicine uma. her father was an engineering professor killed in the virginia tech massacre. they had no idea this moment would touch their lives so closely. did you guys expect to meet someone like her today? since our shooting, it s been 11 years now. we walk by the memorial on our way to class every day of 32 hokies who died and it s insane that nothing has been done. reporter: they mourned by pushing for gun control legislation but they have experienced disappointment after disappointment. when i got the call from my sister and we had to tell her son, you cannot do anything. reporter: paul s brother was killed in a clamall shooting.