One of the enduring questions surrounding the Camarena case is existence of the audio tapes of his interrogation.  This episode looks at those tapes, what they are, how they were discovered, what is and is not on the tapes, and whose voices are on the tapes.  We conclude by examining the theories of why the interrogations were taped in the first place and how that can help identify who is responsible for Camarena's abduction and murder.