The Fourth Perimeter

Former secret service agent turned entrepreneur Kurt Ford thought he had suffered his share of tragedy when the wife he adored died. But years later, his beloved sonwho also became a secret service agentturns up dead, and Ford is inconsolable. He refuses to accept the governments story that his son committed suicide and begins investigating the case as a murder. Ford soon learns from an old secret service friend that two other young agents have also recently met with unusual deaths, and he discovers a common link between these agents and his son: all three were involved in a cryptic meeting with the president.