CNN Documented July 20, 2014 00:08:00
There are 15,000 interviews. in the 9/11 cases we conducted 157 depositions. behind the scenes also there's a tremendous amount of forensic evidence that is gathered through other methods, so i certainly don't mean to suggest that the guilty can't be brought to justice. i think they can. it's compromised by not having a good investigation scene. >> and david, will we be able to know exactly what happened? you know, where this missile hit, what happened onboard that plane? will we figure that out? i guess the black boxes, perhaps, might be important in that. we don't know where they are right n...