The U.S. Supreme Court declines to step in and grant a stay . Federal law -- stemming from a 2002 Virginia case that went to the U.S. Supreme Court -- says executing intellectually disabled individuals violates the Eighth Amendment 's ban on cruel and unusual punishment . June 2013 : Warren Hill was convicted of murdering a girlfriend and a fellow inmate .
The U.S. Supreme Court declines to step in and grant a stay . June 2013 : Warren Hill was convicted of murdering a girlfriend and a fellow inmate .