three people at gunpoint. his name, we now know, is james lee, linked to a rant which he posted on the internet, in which he called civilization filthy and demanded that all programs on discovery stop encouraging what he called and i quote the birth of any more parasitic hum humans. producer at nbc news called the discovery channel and, incredibly, mr. lee picked up the phone and calmly issued a deadly threat. listen. >> do you have a gun? >> i have a gun and i have a bomb. i have several bombs strapped to my body, ready to go off. >> in the end, lee was killed by police. hostages were freed, unharmed. tom foreman takes a look at how it all unfolded. >> reporter: 1:00 pm, seven miles from capitol hill in the washington suburb of silver spring. police say a man walks into the lobby of the discovery channel, waving a pistol, metallic canisters strapped to his body,