In this Episode Gaol Director Jack Sim and Research Coordinator Sue Olsen are joined inside by Tiana Adair, Museum Assistant from the Queensland Police Museum - our partners in crime. Tiana is here to promote our new Crime, Law and Justice Trail and to discuss a fascinating exhibition at the museum on Arthur Ernest “Slim” Halliday and reveals how one piece of evidence was crucial in the conviction of Halliday for wilful murder - “Peter the Dog.”