The Granny Killer Sick Calling Card Unsolved Murders Revealed

S1, E2: The Granny Killers Six Known Murders Make Him One Of Australias Most Fiendish Serial Killers But Could He Actually Have Killed A Dozen Older Women This Investigation Employs Criminal Profiler Kris Illingsworth To Carefully Put Six Unsolved Murders Under The Microscope To Study Each Murder In Detail Including Rechecking Each For The Sick And Twisted Signatures Of The Granny Killers Murders