All appropriate authorities were notified and the shooting is under investigation by the Federal Bureau of Investigation , '' the statement said . Border Patrol says rocks were thrown at its agents . The agency has been criticized for what it calls a "militarized" approach to border security in the past few years. The FBI is investigating .
Border Patrol says rocks were thrown at its agents . The agency has been criticized for what it calls a "militarized" approach to border security in the past few years. The FBI is investigating .