Loughner pleads guilty in Tucson massacre

Jared Lee Loughner is shown after his arrest on January 8, 2011 in Tucson, Arizona. He was arraigned on five federal charges including the attempted assassination of Congresswoman Gabrielle Giffords on January 10, 2011. Photo released by the Pima County Sheriff's Office on January 10, 2011. UPI/U.S. Marshalls/HO