One U.S. Customs and Border Protection agent was killed and another seriously injured Sunday while responding to suspicious activity in the west Texas Big Bend area, officials said.
Agent Rogelio Martinez, 36, and his partner, whose name was not released, were injured and taken to a hospital, officials said. Martinez died and his partner was in serious condition.
Martinez had been a border agent since August 2013 and was from El Paso, officials said.
Federal spokesmen said they could not provide details about what caused the injuries, but authorities were searching for suspects and witnesses near Interstate 10.
An official with the National Border Patrol Council...