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Mothers of teens who pleaded guilty in 'Slender Man' stabbing case say there were no warning signs of violence - ABC News
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Investigators in 'Slender Man' case discuss chilling interviews with 12-year-old attempted murderers - ABC News
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Girls accused of stabbing classmate had a shared delusion in Slender Man character: forensic psychologist | National Post
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Slender Man teen Morgan Geyser pleads insanity for stabbing Payton Leutner along with her friend Anissa Weier - NZ Herald
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