Authorities have arrested the suspected shooter in the 2010 killing of a U.S. Border Patrol agent, originally from Flat Rock, whose death exposed a bungled gun-tracking operation by the federal government. A U.S. marshal for the District of Arizona tells The Arizona Republic that Heraclio Osorio-Arellanes was arrested in Mexico on Wednesday. Osorio-Arellanes was one of two men who remained fugitives in the December 2010 murder of 40-year-old Brian Terry, whose death exposed Fast and Furious, in which agents from the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives allowed criminals to buy guns with the intention of tracking the weapons. But the agency lost most of the guns, including two that were found at scene of Terry’s death. The operation set off a political firestorm and was an embarrassment for the Obama Administration.