From the supplemental report: Interrogation of Joseph Wilke

When Sampson asked Wilkes if he had heard {Yvonne} Layne was dead, Wilkes sat back in his chair and acted as though he was astonished. He asked, "How... When?" I leaned forward and told him to knock off the bullshit. I told Wilkes that it was no coincidence or magic that brought him and I together. I said, "You and David Thorne are responsible for Yvonne Layne's death." Wilkes denied the allegation. I explained my conclusion that Thorne was willing to give up Wilkes as the murderer if he could walk away without any charges. I asked Wilkes what he had to say about that. He sat quiet and stunned."

Detectives had not interviewed David Thorne and were lying to Joseph Wilkes. This interrogation resulted in the false confession of Joseph Wilkes and the wrongful conviction of David Thorne.