On July 29 , 2008 , he died of an overdose of Tylenol with codeine in an apparent suicide after learning that criminal charges were likely to be filed against him by the Federal Bureau of Investigation for an alleged criminal connection to the 2001 anthrax attacks . No formal charges were ever filed against him for the crime , and despite various pieces of circumstantial evidence that were part of the FBI case against him , no direct evidence of his involvement has been uncovered
2001 anthrax attacks
2001 anthrax attacks
Bruce Edwards Ivins