Another frightening new government report is heightening fears about the safety of the U.S. biodefense laboratories that study some of the world's deadliest germs. The latest worry: Intruders could easily break into two of the labs because of lax security. ...more

October 17, 2008

FBI scientists early on had - but destroyed - the unique strain of anthrax used in the deadly 2001 attacks that years later would lead them to Bruce Ivins, the government's top suspect in the nation's biggest bioterror case. ...more

August 19, 2008

After four years pursuing one former Army scientist on a costly false trail, FBI agents investigating the deadly anthrax letters of 2001 finally zeroed in last year on a different suspect: another Army scientist from the same biodefense research center at Fort Detrick in Frederick, Md. ...more

August 2, 2008