Watching for Biological Threats

Security Management: A week after the 9-11 attacks, five threatening anonymous letters were sent to media outlets. Two weeks later, reporter Robert Stevens became the first person to die from inhaling anthrax that was enclosed with the letters. The case widened as anthrax-laden letters were sent to two Senators—one of the letters arrived at a Capitol Hill office and the other was routed to a mail facility, where it infected postal workers. Before the terror ended, 22 people developed infections and five died.

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