the intelligence hasn't been collected to make that hypothesis anything more than that. and what's really kind of remarkable about this is in the four years since this -- since we started tracking this in havana, there really wasn't been much of a change on the intelligence collection side of it, but the number of people who are coming forward to say this is what happened to them has increased dramatically. >> marc, what do you think happened to you? >> well, clearly it was something pretty dramatic happened. one of the biggest things is after i finally got -- after a battle with the u.s. government for health care, when i finally received treatment at walter reed, i received a diagnosis of a traumatic brain injury suffered from an external exposure event. so the doctors know that something happened. you know, what that is remains to be seen, but make no mistake both myself, other colleagues in the cia and a lot of colleagues