Anthrax Scientist Kills Himself as FBI Closes In

One of the nation's top biodefense researchers has apparently taken his own life, just as the FBI zeroed in on him as a suspect in the deadly 2001 anthrax attacks. Sources familiar with the investigation tell ABC News that 62-year-old Bruce E. Ivins, who worked at the U.S. Army Medical Research Institute of Infectious Diseases (USAMRIID) at Fort Detrick, Md., died at a Maryland hospital Tuesday of a prescription drug overdose. The story of the Ivins investigation was first reported by the Los...Full Story