Ivins was a scientist who worked at the government 's biodefense labs at Fort Detrick in Frederick , Maryland .
Another suspect , Bruce Edwards Ivins , became a focus of investigation around April 4 , 2005 .
Bruce Edwards Ivins was a Bruce Edwards Ivins who worked at the government 's biodefense labs at Fort Detrick in Frederick , Maryland .
Another suspect , Bruce Edwards Ivins , became a focus of investigation around April 4 , 2005 .