On February 1, 2002, Cecil Knox was seeing patients in his Roanoke, Virginia, clinic when more than a dozen federal agents burst through the doors with guns drawn. Helmeted, shielded, and wearing bullet-proof vests, they terrified waiting patients and employees. One worker later told the Pain Relief Network, a patient advocacy group, she thought she and her husband, who was helping her in the office that day, would be shot. She looked on in horror as an agent put a gun to his head and ordered, “Get off the phone! Now!”
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