think the little brother would be 11 or so. >> did the brothers live together with their mother and sisters? >> yes. they all lived together. >> that was in cambridge? >> yes. >> did you spend time at the house? >> i did not. just outside of school. >> okay. obviously it's got to be surreal to see these two -- >> i'm still waiting to wake up from this nightmare. i'm glad that suspect number two was caught because now i'm seeing people smile. people are celebrating. this is amazing. and at the same time, we can't forget about the victims and everyone affected by this tragedy. it's just that at the end of the day, bottom line, the crimes don't fit the memories that a lot of us have of these two guys. >> yeah. luis vasquez, appreciate you joining us very much. >> take care. >> obviously there are a lot of people who knew these two, who have a lot of questions tonight as law enforcement does, as well. peter bergen is also still standing by. peter, in past cases where we have seen people, american citizens, naturalized american citizens, become radicalized, i