The Exterminator

John Eastland (Robert Ginty) has vowed to avenge his buddy from the Vietnam War days when the friend is permanently disabled by a street gang. Revenge in this case involves not simply killing all the "guilty parties," but murdering them in ways that are particularly cruel and gruesome. A detective (Christopher George) gets on the trail of Eastland, but unknown to both the hunter and the hunted, the CIA is also interested in the killings. A sequel followed in 1984.