In 1990, emergency services in Helsinki were contacted by a young man who asked the police to re-investigate a death from ten years before. The caller claimed that although his mother’s death was ruled an accident, he believed his father had killed her. The case was re-opened and investigators unearthed so much more than just one murder… Ismo Junni was a violent serial killer who kept a tooth from each victim as a trophy. 
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This True Crime Podcast was researched using open source or archive materials.