This undated photo provided by U.S. Customs and Border Protection shows Border Patrol agent Nicolas Ivie, who was shot to death Oct. 2, 2012, in Arizona near the U.S.-Mexico line, the first fatal shooting of an agent since 2010. (Associated Press/U.S. Customs and Border Protection)

Photo by: Uncredited

This undated photo provided by U.S. Customs and Border Protection shows Border Patrol agent Nicolas Ivie, who was shot to death Oct. 2, 2012, in Arizona near the U.S.-Mexico line, the first fatal shooting of an agent since 2010. (Associated Press/U.S. Customs and Border Protection)