malcolm nans, and nina, professor of international affairs and associate dean at the news school. good morning. malcolm, we've learned that at least one of these three new people taken into custody was communicating with amri through the telegram act. that's the same app the paris attackers used. >> they're very hard to break, especially ones like telegram. they often have point to point encryption. that means unless you have that phone and you take that phone and you can break it out, that communication cannot be intercepted, and that's very difficult. some of the other apps disappear at the end of the communication. so you have no record of what's left there. isis prefers and isis supporters prefer the telegram act because of the encryption and the