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FD-302a (Rev. 10-6-95) cminatnotroseet — L___ son 04/22/2002 ny? 279A-WEF-222936, 279A-BA-C101392 ro iten (ol VNTR. This method could narrow down the geographic origin of a sample. It could differentiate an African isolate from a_North American, possibly even a Canadian from an American. To : knowledge, however, it could not specify a particular region. [| had heard that there are differences between USAMRIID’s Ames samples and NVSL’s, and that USAMRIID’s is “Ames-like”. [_]aia not believe the NVSL looked for the difference. [_|speculated that the differences may be a result of numerous passages through animals. The spores in the anthrax letters may have come from USAMRIID, or may have come from another source and passed through animal(s). This may cause the same kinds of changes now observed in USAMRIID’s samples.[_|did not know if the original sample obtained from NVSL is still archived at USAMRIID. [ __]has never worked with any B. anthracis surrogates. The only research{ |knows_of that uses dry anthrax or surrogates is Dugway Proving Ground. believes Dugway is currently using_B. globigii to assist RIID in some landfill surety issues, has had no unusual visitors or requests for information, i know of any disgruntled ex-employees, except for did not know the_specific and advised that [would circumstances of no more about the situation. [aia not know of any individuals who had access to the B. anthracis and seemed mentally unstable. However, the various divisions within USAMRIID remain relatively segregated from each other an has little interaction with employees in other divisions. did not know of anyone with_ties to the Trenton, NJ area, or who had recently traveled there. [_|dia not know of any Internet_or “underground” recipes for manufacturing B. anthracis spores. did not know of any employees who could be susceptible to blackmail or coercion. [__]had not encountered anyone inside or outside of USAMRIID who_made any threats about anthrax or claimed to be able to make it. [dia not know of anyone who worked with B. anthracis who had extreme political, social, or religious motivations or any grudges. [~_]had no idea who might have sent the letters.[__] denied being involved in the sending the letters. The only opportunity to circumvent security that[__]knew of would be to work after hours, when no one else was around. The BL3 labs have a “shower out” policy, requiring employees to strip shower, and change clothes before leaving the suite. This might