When a cold case is "on ice" for a half century, you can expect long lulls in the investigation. But our Genuine Human team is committed to keeping the tips and analysis alive. After we were informed that our final suspect, the "last man standing" would be potentially talking to police, we enlisted George Seibel to school us all in the art of interrogation. If you had suspect #2 in the hot seat, what would you do? [Ep18]