Anthrax Attacks

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One week after the 9/11 attacks, a series of letters were sent to journalists and politicians. They contained the deadly biological agent Anthrax. The United States was gripped with fear as postal workers fell ill. The FBI launched one of the biggest and most expensive investigations in its history. Special Agent Scott Stanley was one of those on the case. (Photo: Workers washing out rubbish bins. Credit: AP/Steve Mitchell)