The United States imprisons more of its citizens than any other country in the world, and Louisiana locks up more people than any other state in the country.
In a federal court today in Tuscon, Arizona, Jared Loughner received a life sentence without parole for his shooting rampage in January 2011 that killed six people and wounded 13, including then-U.S. Representative Gabrielle Giffords (D.-Ariz.).