and that itself highlights the growing risk to security and intelligence officials around the world. this person may have no connections to terrorist organizations, but he can still wreak the kind of havoc we're seeing now unfold on screen. >> one of the things that gives one, i think, a pause for hope. the fact that no one inside there has been injured or killed that even after five innocent men and women were able to escape from the cafe there was no immediate reaction other than apparent he was upset. we're getting reports right now, ayman, as we speak there may be some hostages that are leaving or have just left that cafe. again, it is 2:00 in the morning australia time. if that is indeed happening, they are able to get out and maybe he's tires and falling asleep or maybe letting some more out with further demands. >> right. from a journalist perspective, there's a few ways to look at this. one, if you take a look at the attacks that have happened in the last several months for