Friendship can be complicated—but for Kirsten Costas, it turned deadly. In the quiet town of Orinda, California, high school jealousy spiraled into a shocking act of violence when a classmate brutally attacked her. What led to this tragic betrayal? And could it have been prevented?

Join us as we unravel the disturbing case of Kirsten Costas—the first story in our series With Friends Like These, where friendships take a dark and deadly turn.

🔪💔 #TrueCrime #KirstenCostas #WithFriendsLikeThese #Betrayal #TeenCrime

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Kiwi Crimes (New Zealand cases)

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S’laughter (UK crimes)

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