Slowburn

Vietnam. There was the war we knew, emblazoned across our television screens, ripping through that faraway country, and branding our national conscience as no other war ever had. And there was the silent war, a secret struggle against an invisible enemy, the U.S. military's dire need for intelligence about the Vietcong's elusive presence in the villages and hamlets of South Vietnam. Orrin DeForest was by far the United States' most successful spymaster in that silent war. He and the men he trained proved indispensable for their work in relentlessly ferreting out the Vietcong and penetrating…