CNN The Situation Room March 21, 2014 21:10:00
Interviews that have been done with family members, with financial records, online records, they see nothing that can explain this in any other way. and so right now that's why they are resting their theories. that can change, obviously. >> you used the word accident. is that different than mechanical failure? what does that mean, an accident? >> that's a broad theory that covers a lot of that. it means that they believe that, you know, nothing so far indicates someone did this on purpose. crashing the plane on purpose, wherever it is. >> wolf, 11 months ago we had the boston marathon bombings...