In 1965 Vancouver, radio promoter Rene Castellani slowly poisoned his wife Esther with arsenic-laced milkshakes to be with his young mistress. A determined doctor’s intuition and pioneering forensic science uncovered the truth, revealing a chilling story of betrayal, deception, and a slow, silent killer. This episode unravels the case that shook a city and changed forensic investigations forever.

Episode Sources:

https://www.thecanadianencyclopedia.ca/en/article/vancouver-feature-the-milkshake-murder

https://evelazarus.com/cold-case-canada-podcast/s2-e22-murder-by-milkshake-part-1/

https://evelazarus.com/cold-case-canada-podcast/s2-e23-murder-by-milkshake-part-2/

https://www.vancouverpolicemuseum.ca/post/revisiting-the-milkshake-murder

https://www.nsnews.com/local-arts/murder-by-milkshake-stirs-up-memories-of-notorious-case-3087157