and put her in the backf the car and drove her out to the cement plant. andrea canning: that's when prosecutors believe lewis did something horrific. he wrapped beverly's face in duct tape and let her suffocate. he came home and told crystal that she was dead. andrea canning: and then the heart of the prosecution's case-- that recording of beverly pleading to her husband. they played it for the jury. beverly: just do what he says, and please don't call the police. if you call the police, it could be bad. andrea canning: prosecutors argued the recording proved beverly had been kidnapped and contradicted lewis's claim of a hookup. so how would the defense explain that tape? attorney bill james chose to ignore it. i was unable to come up with any plausible explanation for that recording that helped us. so was this one of your biggest obstacles then? this recording? i mean everything came back to the recording. andrea canning: instead, he led jurors in a different direction--