6. Possible Portrait of the Anthrax Perpetrator

· Insider in US biodefense, doctoral degree in a relevant branch of biology

· Middle-aged American

· Experienced and skilled in working with hazardous pathogens, including anthrax, and avoiding contamination
· Works for a CIA contractor in Washington, DC area
· Has up-to-date vaccination with anthrax vaccine
· Has clearance for access to classified information
· Worked in USAMRIID laboratory in the past, in some capacity, and has access now
· Knows Bill Patrick and has probably learned a thing or two about weaponization from him, informally
· Has had training or experience in covering evidence
· May have had an UNSCOM connection
· Has had a dispute with a government agency
· Has a private location where the materials for the attack were accumulated and prepared
· Worked on the letters alone or with peripheral encouragement and assistance
· Fits FBI profile
· Has the necessary expertise, access and a past history indicating appropriate capabilities and temperament
· Has been questioned by FBI