By April 1953, four of Caroline Grills’s relatives had turned up dead in similar circumstances and even more of her family members were still getting sick. It was under this aura of unnerving uncertainty that John Downey, the son-in-law of one of the recently deceased, stumbled upon a newspaper article about Yvonne Fletcher, the first Australian found guilty of murder by thallium poisoning. So, when John saw Aunty Carrie slipping something into his mother-in-law’s tea, he decided it was time to take action.Sources:
https://www.dailytelegraph.com.au/news/nsw/serial-killer-caroline-grills-served-rat-poison-to-her-relatives/news-story/d4bc91eecf8ff0d85050cd38ecc0737d
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https://trove.nla.gov.au/newspaper/article/277828549
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https://www.smh.com.au/entertainment/tv-and-radio/recipe-for-murder-the-poisoners-tales-20110520-1evcj.html
https://mhnsw.au/whats-on/exhibitions/crimes-passion/
https://vernon.mhnsw.au/objects/54282/photograph
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https://trove.nla.gov.au/newspaper/article/249257539
https://trove.nla.gov.au/newspaper/article/69484978
https://trove.nla.gov.au/newspaper/article/96400776
https://trove.nla.gov.au/newspaper/article/2895015
https://trove.nla.gov.au/newspaper/article/99091033
https://trove.nla.gov.au/newspaper/article/275036074
https://www.neighbourhoodmedia.com.au/post/death-in-a-teacup
https://dictionaryofsydney.org/media/67208
https://darkstories.com.au/tag/caroline-grills/
https://trove.nla.gov.au/newspaper/article/96533590
https://trove.nla.gov.au/newspaper/article/18283164
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https://www.mayoclinic.org/diseases-conditions/peritonitis/symptoms-causes/syc-20376247