'Yoga Teacher Killer' tells the true story of a woman who murdered her boyfriend's lover before going on the run. Here's what happened to Kaitlin Armstrong.

• "Yoga Teacher Killer" is about Kaitlin Armstrong, who murdered her boyfriend's lover,  Anna Moriah Wilson.
• Armstrong shot Wilson dead in May 2022.
• Armstrong fled to Costa Rica and evaded the authorities for a month before being caught.

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"Yoga Teacher Killer: The Kaitlin Armstrong Story" is based on a murder that happened in May 2022 in Austin, Texas.