"It had been the most expensive, and arguably the toughest, case in FBI history ... but the facts showed that Army biodefense researcher Bruce Ivins was the person responsible for killing five people and sickening 17 others in those frightening weeks after 9/11. It was Ivins, they were now certain, who had mailed the anthrax-filled letters that exposed as many as 30,000 people to the lethal spores."
"No one involved that day expressed any doubt about Ivins’ guilt. But things are not always as clear-cut as they may seem in an FBI presentation. Two years later, sitting in her office overlooking West Baltimore, Clair Fraser-Liggett, Director, Institute for Genome Sciences, concedes she has reservations. “There are still some holes,” she says, staring out her window in discomfort. Nearly 2,000 miles away in Flagstaff, Arizona, Army biodefense researcher Paul Keim has his own concerns. “I don’t know if Ivins sent the letters,” he says with a hint of both irritation and sadness."
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