From ANIMAL PEOPLE, July/August 2008:
WASHINGTON D.C.–The Federal Bureau of
Investigation on August 7, 2008 released
investigation reports that identify U.S. Army
Medical Research Institute of Infectious Diseases
anthrax researcher Bruce E. Ivins as the probable
mailer of anthrax-contaminated envelopes that
killed five people and sickened 17 others in
October 2001.
After learning of his impending
indictment for murder, Ivins, 62, on July 29,
2008 took a fatal overdose of Tylenol mixed with
codeine.
John W. Ezzel, who hired Ivins to work
at the Army institute in Fort Detrick, Maryland,
told Scott Shane and Eric Lichtblau of The New
York Times that Ivins had conducted “experiments
in which animals were exposed to anthrax to test
vaccines.”

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From ANIMAL PEOPLE, April 2008:
CARDIFF–Lab animal care technicians feel job stresses
similar to those of shelter workers, Cardiff University animal
facilities director Keith Davies recently told fellow members of the
United Kingdom Institute of Animal Technology.
Davies interviewed six focus groups of lab techs in 2007,
including a total of 31 techs, to gather perspectives and data,
wrote Andy Coghlan in the March 2008 edition of New Scientist.
Previous studies have been done of the psychology of
researchers, but Davies’ study may have been the first to examine
issues such as sorrow and guilt among lab animal care workers.