Then there’s Dorhn and Ayres pipe bomb that killed a cop
http://worldtribune.com/worldtribune/WTARC/2009/ss_terror0180_03_03.asp
and Angela Davis and the Soledad Three
“Week of Aug. 31, 1970
Black Panther activist Angela Davis eludes the FBI following the murder of California Judge Harold J. Haley. Davis is suspected of the slaying and of taking part in an armed courtroom invasion to free the Soledad Three, three black convicts on trial for killing a guard at Soledad State Prison.”
http://content.time.com/time/specials/packages/article/0,28804,2025424_2025864_2025873,00.html