Virginia Christian

Christian's murder of her white employer, Ida Virginia Bailed, 
was described by Governor William Hodges Mann as the most 
dastardly in the state's history and that Christian's execution 
was necessary to ensure public safety. 

http://www2.h-net.msu.edu/~law/aslh_news/aslh27-1.html

She was executed on August 16, 1912, for striking her female 
employer with a broomstick and then suffocating her with a towel.

http://www.valleylife.net/990415/top.htm