that's out there. there's not a lot. >> it raises a lot of questions about why, if you're right, they don't know more. is the hostage taker refusing to communicate with authorities? are there communications under way that they simply don't want to make public? the mystery is nearly complete. >> you've been seeing the video cycle through. a couple victims holding their hands up, pressed up against the window. they are at the lindt chocolate shop cafe where people meet up and have hot chocolate, hot tea. >> the prime minister described it as nothing more distressing or terrifying than what the people are enduring he enduring. he's absolutely right about that. >> all right. we've been monitoring this situation for you inside of the lindt cafe at a very busy mall in sydney.