CNN EarlyStart April 23, 2013 10:32:00
Investigation, and interviews with dzhokhar tsarnaev, but what he is telling investigators is first of all, there were no foreign groups involved with the terrorist attacks. that this was just the brothers. second of all, that they were radicalized online. that there was an online component, watching videos, downloading information, not e-mailing back and forth with anybody abroad. but there was a big online component to their self-radicalization. also, as you might expect dzhokhar to say, and as we've heard when others in the family have described the family dynamic, the older brother, accord...