In this April 3, 2006 file photo, Arizona Federal District …

Dennis Cook | published: January 9, 2011

In this April 3, 2006 file photo, Arizona Federal District Judge John McCarthy Roll appears before the Senate Judiciary Committee on Capitol Hill to discuss immigration litigation reduction. Roll was fatally shot Saturday, Jan. 8, 2011 in the attack on Rep. Gabrielle Giffords of Arizona.