On Monday, after 27 years behind bars, Cooper walked out of Indiana’s Rockville Correctional Facility a free woman.
Cooper had an unlikely ally supporting her release: Bill Pelke, the grandson of the woman she killed.
The events started when Cooper was 15 and devised a plan to steal money with her friends.
After smoking marijuana and drinking wine, they went to the home of Bible teacher Ruth Pelke, 78, armed with a knife.
Their loot? Just $10.
The Indiana Supreme Court set Cooper’s death sentence aside in 1988 and ordered her to serve 60 years in prison.
Click here to read the full story on CNN.com.