that kcatalyst might be a datapoint, a belief something may be better than expected or restructuringr break-up into several pieces or some other material event that could occur. in other words there's a moment to pull the trigger, a moment to buy. perhaps because you think that oil is about to spike because of a shutdown of the somethipigot russia or problems in the middle east and there's a moment to -- >> sell, sell, sell! >> when the event occurs and you're done. you must declare first before you buy. the vast majority will buy a stock for a reason and either the reason occurs and nothing happens to the stock, so you then decide, darn, i'll call it an investment and won't worry about it, buy more if it goes down or you decide to hold onto it because what's the worst thing that can happen? the answer of course is plenty and almost all of it bad. the answer is you never bought it in the first place if you didn't think the reason was going to occur. now there's no reason to own it in the first played. i've seen a myriad of investors developing a rationale that they are doing the righ

there are significant datapoint there is. how deep does that go? we may never know. if the money goes into the system, it's almost impossible to track. if it's been moved around a bunch of times, it could be hard to track. the main money still may come from the u.s., but they do believe there's a money trail and communication trail that leads to the middle east. they just don't know how deep it goes. >> adam, good reporting, as always, out of california. >>> the problem the fbi director has been saying is the encrypted communications that make it very difficult for intelligence agencies to find out what's going on. chief intelligence correspondent katherine herridge on this. >> reporter: director comey said terrorists are using encrepted technology in greeting numbers giving them unparalleled ability to communicate and making it almost impossible for agents to figure out exactly what they are saying. we also learned more about the isis-inspired shooting in texas last may. a template for how the domestic terrorism cases go down. the gunman elton simpson wounded a secu