Apparently there was about to be an arrest in the Anthrax poisoning deaths of 2001. The suspect was aware of this and committed suicide. This case was profiled on UM.

http://news.yahoo.com/s/ap/20080801/ap_on_go_ca_st_pe/anthrax_scientist

Yes-the later years- I remember that one.
Talk about a mad scientist.

Yeah, his plan was like something out of a movie. It's a shame he'll never be brought to justice but at least he won't harm anyone ever again. Seems like he had a history of doing that beforehand. I'm glad the FBI was able to close this case.