S1, E1: Leading criminologist Professor David Wilson examines our obsession with serial killers and offers fresh analysis and insight into the minds of two of Scotland's most infamous; Peter Manuel and Peter Tobin. He discusses whether or not Manuel was criminally insane and if Tobin could be the 1960s serial killer Bible John who was never caught. He talks with crime fiction author Alex Gray and conducts an in-depth interview with flamboyant criminal defence lawyer Donald Findlay QC.