Caroline Grills

Caroline Grills (née Mickelson; between 1888 and 1890 – 6 October 1960) was an Australian serial killer who poisoned her victims. She was predominantly a comfort killer, who murdered well-off members of her extended family to maintain a respectable lifestyle, but her later murders had less clear motives.

Biography Caroline Michelson was the daughter of Mary Preiers and George Michelson in Balmain, Sydney, and born between 1888 and 1890. She married Richard William Grills on 22 April 1908, with whom she had four sons. from a ruptured gastric ulcer. In the months that followed more cases of thallium poisoning were stated, including notably, prominent Australian Rugby League footballer Bobby Lulham.