Bruce E. Ivins, a biodefense researcher is seen in 2003, at Fort Detrick, Md. Ivins, the scientist who was developing a vaccine to combat anthrax, died Tuesday July 29, 2008, in an apparent suicide in a hospital in in Frederick, Md. U.S. prosecutors investigating the 2001 anthrax attacks were planning to indict and seek the death penalty for Ivins in connection with mailings of the deadly anthrax toxin that killed five people. (AP Photo/Frederick News Post, Sam Yu)

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