Prior to Tuesday's attack, the most recent fatality was Leopoldo Cavazos Jr. who died on July 6 due to injuries from an ATV accident near Fort Hancock, Texas.James Dominguez was killed on July 19 when he was killed by a passing vehicle while helping stranded motorists in Cline, Texas.Both Hector Clark and his partner agent Eduardo Rojas Jr. were killed when their patrol car was hit by a freight train near Gila Bend, Arizona.The case that has drawn the most publicity in recent years was that of agent Brian Terry, .
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