From February 2010...
"The woman accused of killing three colleagues at the University of Alabama in Huntsville [Amy Bishop] was a suspect in a 1993 attempted mail bombing, according to a report by The Boston Globe.
The report broke the day after it was learned that Bishop fatally shot her brother in Braintree in 1986. ..."
http://web.archive.org/web/20100331071513/http://www.boston.com/news/local/breaking_news/2010/02/ala_slay_suspec.html
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"A family source said Bishop, a mother of four children - the youngest a third-grade boy - was a far-left political extremist who was "obsessed" with President Obama to the point of being off-putting."--Boston Herald, February 15, 2010
'Oddball' portrait of Amy Bishop emerges:
http://web.archive.org/web/20110113013258/http://www.bostonherald.com/news/regional/view/20100215oddball_protrait_emerges_suspects_family_pals_offer_clues/srvc=home&position=0
That was one weird chick. Saw a couple of Investigation Discovery shows about this incident. Some high-level professor, IIRC.