Authorities face tough territory in border probe - Article Photos 4/13

Hours after a U.S. Border Patrol agent was shot and killed, and one other was shot and injured, James Turgal, FBI Special Agent in Charge Phoenix, arrives to speak at a news conference at the U.S. Customs and Border Protection Brian A. Terry Border Patrol Station, Tuesday, Oct. 2, 2012, in Bisbee, Ariz. (AP Photo/Ross D. Franklin)