The Anti-Freeze Murders: The Poisoning of the Staudte Family - Springfield, Missouri

This episode of "Missouri Mayhem, Mystery and Murder" delves into the chilling case of the Staudte family, known as the Antifreeze Murders. The hosts, Megan and Mindy, explore the seemingly ordinary life of the Staudte family in Springfield, Missouri, which hid a dark secret. The episode recounts the deaths of Mark Staudte, his son Sean, and the near-death of his daughter Sarah, all orchestrated by Diane with the help of her daughter Rachel. The narrative unfolds with Diane's confession to poisoning her family using antifreeze, driven by resentment and a desire to rid herself of perceived burdens. The episode highlights the shocking nature of the crimes, the investigation that led to Diane's confession, and the eventual legal consequences for both Diane and Rachel. It concludes with reflections on the impact of the crimes on the surviving family members and the community.

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🎧 Show Notes: Sources & References

Primary News & Documentation

• A&E Crime Files: “How Diane and Rachel Staudte Killed Their Family with Antifreeze” – AETV.com
• ABC News: “Mom, Daughter Describe Killing Family Members with Antifreeze in Never-Before-Seen Interrogation Tapes” (20/20, 2015)
• Springfield News-Leader: “Springfield Mom Pleads Guilty in Antifreeze Murders”
• Ozarks First: “The Chilling Staudte Family Murders — A Springfield Story”
• Court Records: Greene County Circuit Court, State v. Diane Staudte (2016)

Podcasts & Audio Investigations

• Casefile True Crime, Episode 304: The Staudte Family Murders
• Once Upon A Crime: “A Family Affair: Diane & Rachel Staudte”
• Killer Queens Podcast: “The Antifreeze Murders”

Television Features & Documentaries

• ABC 20/20: “The Family That Killed Together”
• Investigation Discovery: Evil Kin: “The Staudte Family Murders”
• YouTube Crime Vault: “Mom-Daughter Duo Who Annihilated Their Family”