Carolyn King

In 1993, King and her boyfriend burglarized a home in Lebanon, Pa., 
suffocating the 74-year-old owner (Guy Goodman, a florist)  with a 
plastic bag. They also kidnapped a Bismarck, N.D., woman and kept her 
in the trunk of their car for five days before shooting her in Nevada. 

http://abcnews.go.com/sections/us/deathrow/deathrow_women.html

http://venus.soci.niu.edu/~archives/ABOLISH/jan98/0100.html