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FBI notes raise possibility of silicon tin additive in 2001 anthrax attacks
FBI lab reports on the 2001 anthrax letters show unusual silicon and tin levels in powder from two letters, suggesting a chemical additive to enhance potency. McClatchy found testing questions and potential leads on buyers of additives, while officials say silicon may be a natural coating. Ivins’ role remains disputed amid unresolved data and calls for fresh testing.
MENTIONED IN THIS ARTICLE
Washington
FBI
Justice Department
Army
Bruce Ivins
Ivins
McClatchy Newspapers
National Laboratory
McClatchy
New York Post
Patrick Leahy
Vermont
Stuart Jacobsen
Martin Hugh-Jones
Louisiana State University
Post
NBC News
Tom Brokaw
U.S. Army Medical Research Institute of Infectious Diseases
Fort Detrick, Md