Good Guys Wear Black | 1978
John T. Booker is a Vietnam veteran who lost several of his army buddies on one particular mission. Now after the war, John learns that the mission was intended to fail. Horrified, he leaves his teaching job to track down the surviving members of his unit, only to find that they are being systematically killed, and that a dishonest politician is behind their murders. This man is legally untouchable, so John turns to his own devices to protect his living buddies and get justice for them all.