TUCSON, Ariz. — The man who plead guilty to 19 counts of murder in Arizona was sentenced Thursday to life in prison. According to police, 24-year-old Jared Loughner went on a shooting rampage at a public event in January 2011 killing six people and injuring 13 others. Among the seriously injured was then Arizona Congresswoman Gabrielle Giffords, who was shot in the head.