<-- Previous EpisodeNext Episode -->
When a series of vicious murders sends a town reeling, Dr. Tony Hill becomes consumed with the notion that they are the work of the known killer, William 'Mack the Knife' MacAdam. Now a newly released inmate, and after receiving an education during his long sentence, MacAdam is now enrolled as a Ph.D. student in Tony's University class, and now seems overly keen to take Hill’s place as the media pundit on serial killer cases.
This episode made its first international broadcast in Australia on April 15, 2005.
In the United Kingdom, this episode drew in 7.3 million viewers at the time it first aired.