in a bizarre moment, a chilling moment, while the standoff with police was under way, a 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. the 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, telling everyone not to move. one witness says she hears a shot. another calls police. workers begin sounding the alarm throughout the building. 1:21, company officials send an e-mail, urging employees to, quote, seek protection in a