Sudden Death(1977)

Devil-Driven Death Machines!!!

When Ed Neilson's entire family is viciously murdered, he pleads with retired CIA operative Duke Smith (Robert Conrad) to investigate. He refuses, but relents after Neilson too meets an explosive death. Deception, international intrigue and a ruthless "syndicate of businessmen" intent on raping a South Pacific Islands nation of its resources keep the pace fast.