. >> all of the terrorists are killed and 130 of the 850 hostages die as a result of the gas or lack of medical attention. a memorial still stands outside the still functioning theater as a stark reminder of that dark moment in recent russian history. >> coming up, a police taser cam captures a point-blank shootout pitting cop against hostage-taking gunman. >> i thought he was going to shoot me. i was looking straight down the barrel of the gun. >> when "caught on camera: hostage" continues.