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Defense attorney, William J. Corrigan, disclaims responsibility for Dr. Sam's refusal to take a lie detector test. He adds, "Recent studies show that only 10 percent of the persons operating polygraphs are qualified to do so."
Sam Sheppard, William J. Corrigan
Cleveland News, "54/08/20 Says Lie Test 'No' Was Sam's" (1954). All Articles. 431.