confirm his i.d. was swiped at his dorm and his gym. >> i was relieved he didn't place the bomb in our building. >> this is a friend of dzhokhar's who couldn't believe how normal it seemed. >> like dr. jekyll and mr. hide, one minute you do something like that and the next you're okay. >> one student said he rarely talked about politics, but when he did t was about his home country. >> he talked about what is going on there and how the people in chechnya are. >> for the first time, just this afternoon, just a few minutes ago, we heard from a student who said dzhokhar tsarnaev did speak about the bombing to another student just a day after it happened. fred. >> but not boasting or bragging about it? >> no, no. he said that he actually brought it up because he saw him in the gym. and he said, i would see him in