Mean Girl Murders: Full Throttle Murder (ID, Monday, June 23, 2025)

Mean Girl Murders

Investigation Discovery brings another grim tale to light with Mean Girl Murders this Monday, June 23, at 9:00 PM ET. The episode, titled Full Throttle Murder, pulls into Northern California’s underground sideshow car scene of 2021, where the thrill of competition turned deadly for 19-year-old Leilani Beauchamp.

The story looks into a world that grew during the COVID-19 lockdowns, as young people sought out new ways to gather and compete. Leilani’s popularity within this high-octane community appears to have made her a target. What starts as a fast and furious rivalry goes down a dark road, ending in a fatal case of envy.

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True crime fans who like stories that dig into the darker side of subcultures will find this a compelling watch. The episode aims to lay bare the dangers of unchecked rivalry and the tragic ends that can result from intense jealousy.

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Find out how a passion for cars led to a murder on Mean Girl Murders, Monday, June 23, at 9:00 PM ET on Investigation Discovery.

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