Slender Man stabbing: Parents recall what happened that morning: 20/20 Part 1

ABC News
ABC News
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Published 2018-02-03
Anissa Weier, Morgan Geyser and Payton Leutner had a sleepover and asked to go to the park the morning after.

WATCH THE FULL 'SLENDER MAN' EPISODE OF 20/20:
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