"Environmental Lawyers Praise Slain Ariz. Judge"
"In 2009, a federal judge ruled that a vague potential threat of violence against ranchers was not sufficient cause to withhold GPS data about the killing and capture of wolves in Arizona. The judge in question was John M. Roll of the U.S. District Court for the District of Arizona, one of six killed during Saturday's attack on Rep. Gabrielle Giffords (D-Ariz.)."