credible or specific warning, jake. it is more general. it s the kind of thing they share so that people are aware without knowing for sure that this is something that there s any planning under way and that s what s very difficult now. it s difficult for authorities to warn properly and it s difficult frankly for members of the public to take this all in and know what they re meant to do with it. in fact, some discussion among national security experts when isis warned in their video after paris comes rome, did they mean literally rome, or did they mean the roman empire as in the united states? who knows what they meant. jim sciutto, thank you so much. we have shocking new video in to cnn coming from inside the casa nostra restaurant here in paris. it was one of several locations isis terrorists attacked last week. the video was obtained dailymail.com. shows how a typical night out in paris suddenly became a night of terror. you see a torrent of gunfire unleashed into the restaurant