Crime historian Jack Sim joined Gary Hardgrave on 4BC Mornings to unpack Brisbane’s infamous 1953 "Hamilton Hammer Horror," detailing how wealthy businessman Roy Ferguson was fatally bludgeoned in his bed during a wave of post-war crime.

The investigation unravelled an illicit love triangle, hidden untaxed cash, and a tangled murder plot that saw Ferguson’s wife Sylvia - dubbed the "Black Widow" - and two accomplices convicted before she later sparked morbid radio requests in outback Queensland.