Read other letters about this article
AP By LARA JAKES JORDAN and MATT APUZZO, Associated Press Writers 10 minutes ago (see sig)
WASHINGTON - Army scientist Bruce Ivins had custody of highly purified anthrax spores with "certain genetic mutations identical" to the poison that killed five and rattled the nation in 2001, according to documents unsealed Wednesday in the government's investigation.
Also, Ivins was unable to give investigators "an adequate explanation for his late laboratory work hours around the time of" the attacks, and he apparently sought to mislead investigators on the case, according to an affidavit filed by one government investigator.
http://news.yahoo.com/s/ap/20080806/ap_on_go_ca_st_pe/anthrax_investigation