In 1965, Rene Castellani, a 40-year-old radio personality murdered his wife Esther with arsenic-laced milkshakes so he could marry Lolly, CKNW’s 25-year-old receptionist. The Castellani's had an 11-year-old daughter called Jeannine, who became the collateral damage in one of the most sensational murder cases of the 20th century. 

This episode is based on original research and interviews from Murder by Milkshake: an astonishing true story of adultery, arsenic and a charismatic killer 

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