In the late 1980s, a man single-handedly led a 14-month reign of terror on the elderly population of Sydney, attacking women in broad daylight with a hammer, stealing their purses and running away. With a clear signature, the Granny Killer sought out elderly women he thought would make an easy mark for a fast robbery - and found a thirst for blood along the way. Join Holly and Matthew as they look into the history of the Killer and his many attacks on the people of Sydney.