for a very selfish reason i don t want the loch ness mystery or interest in loch ness itself to diminish it ll be hard for nessy to hide from this high tech hunt, launching drones overhead, scouring the surface, while also listening below. we are dropping an under water microphone 60 feet down below the depth. we ll be doing some audio testing to find out what noises exist down there. reporter: they are using sonar to map the lake, which has a depth of nearly 800 feet the maximum depth here, this is the deepest part but it is a huge area. reporter: somewhere in all of this dark water there is a monster lurking but it is up to us to find it or find her. ken gerhart traveled from the u.s. to hunt. he researchers animals on the fringes of known reality.
Just by observing our adversaries, by looking at al qaeda and other terrorist groups that according to officials changed the way they operate in this year since snowden s revelations, showed them some of the things the united states was capable of doing. there are other things they don t want to talk about. for example, i pushed officials, do you see any change in russian or chinese behavior that would suggest that they have become aware of certain secret things we re doing? they just wouldn t answer that question. so i can t tell your viewers what that one is. you re writing about this stuff now. the new book the director, about a hacking crieses in the cia high-tech hunt for the culprit. it seems like science fiction, it seems like something we ve seen in some tom cruise movie. but this stuff is happening. it is happening. t.j., what i tried to do is to write i want to say a post-snowden novel. snowden is not really a