give the fbi as much help as it could have or should have that the follow-up questions that the fbi asked after initially interviewing tsarnaev, tamerlan tsarnaev were not answered. how does that make you feel? >> it's not new information for me, it's something i had been informed within days of the investigation being under way. it's obviously very concerning. i will say that based on all i know about the investigation and about the backgrounding and the nature of the intelligence, i'm not -- one would rather have had the follow-up from the russian intelligence authorities sooner but i'm not sure that it would have necessarily prevented what happened from happening. i think what's important, andrea, is that to the great credit of the community i work with and for, everybody pulled together. the medical teams pulled