found in those files still being withheld? >> i doubt the big answers will be found. for one thing, i'm not sure all the documents were ever turned over in the 1990s. some of the most sensitive or incriminating may have been destroyed a long time ago. the ones that we have and we've got much more sensitive ones supposedly coming out april 26th. i hope that the promise is kept. but just the ones we have -- and we've ben through an eighth of these -- this is an extraordinary number of pages. no one could have read through all of this. at this stage, i think we can say that we are learning bits and pieces that color in the blanks with the assassination, little things that make -- may tell us some important stories. you mentioned or rather randi did in the package the operation mongoo mongoose. all these ideas to kill castro.