changes or not depends on how we handle it going forward. >> there were the arrests taking place of three individuals who were friends of dzhokhar, who were trying to help get rid of a computer, fireworks parts, et cetera. how involved in this mission do you think they might have been? do you think there's any reason to believe investigators are finding more information that would imply that they were much more involved than that? even in the planning stages. >> you know, yes, it's a great question. there's a whole set of people on the outside beyond the two brothers that may or may not have been involve. we have the college kids who it appears intervened after the fact, were not part of preparations prior to that. at least none of the charges suggest that. now in the last couple of days there's increasing focus on the spouse of the older brother. i think we ought to be cautious here. right now there are three