Husband poisoner. Tanya Bretherton. 2021.

After World War II, women lost their wartime freedoms and regained their troublesome husbands. In Sydney, some of these women headed back into the kitchen with sinister intent - and the household poison thallium, normally used to kill rats, was repurposed to kill inconvenient family members.

Yvonne Fletcher disposed of two husbands. Caroline Grills cheerfully poisoned her stepmother, a family friend, her brother and his wife. Because thallium was colourless, odourless and tasteless, its victims were misdiagnosed even as they died slow, horrible deaths. And once one death was attributed to natural causes, it was all too easy for an aggrieved woman to kill again……