unavailable to the public. i would imagine these guys, if they communicated, it was probably on the dark net, in coded and encrypted communications. this is all speculation at this point. >> yes. >> we're going to learn a lot more by tomorrow. and they just stayed off telephones. they've learned. you don't call each other on the phone. and i think they are getting better from the "charlie hebdo" attack. i can't emphasize enough how shocking this attack is. even if the algerian war there was never this sort of violence in france ever that i can remember in modern times. >> paiul, this is something tha is stunning. i sit here as an american with a feeling like 9/11, with so many innocent people attacked, going about their friday evening as a deputy mayor said, on a friday evening in their time to relax. i mean, it is impossible to truly overstate the significance of what is happening in paris right now. >> you're absolutely right. this is really staggering.