Essentially, the wiretap was the best evidence yet for the copycat theory of the murders, and Guenther had never told anyone about it. He was visibly anxious to get it off his chest after thirty years, sometimes shaking in his seat. But he worried that it would overturn the verdicts against the convicted killers. “I don’t want this reversed after all these years!” he said, pounding his fist on the arm of his chair.