CNN Anderson Cooper 360 December 17, 2014 01:23:00
In their line of work, time isn't money. it's quite possibly the difference between life and death. >> martin savidge joins us now from north carolina. it's incredible when you think about the response by law enforcement in sydney, australia. they had six seconds. they basically went in six seconds after the shot was heard, and that was after, you know, more than 12 hours, 14 hours. they were standing around, basically, on a hair and trigger ready to go in on a matter of seconds. the guys are using live ammunition in training. why is that so important? >> reporter: they may have hours or days ...
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