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Police detain stabbing convict Morgan Geyser in Posen, Illinois, United States, after he removed his

Slender Man stabbing — Police detain stabbing convict Morgan Geyser in Posen, Illinois, United States, after he removed his monitoring device and fled a supervised group home in Wisconsin. Geyser is retu

Published November 23, 2025· Updated October 28, 2026·1 min read

Context: Slender Man stabbing.

Police detain stabbing convict Morgan Geyser in Posen, Illinois, United States, after he removed his monitoring device and fled a supervised group home in Wisconsin. Geyser is returned to Wisconsin custody. [https://www.bbc.com/news/articles/cvgkwgyqzn0o (BBC News)] [https://www.reuters.com/legal/government/wisconsin-woman-convicted-slenderman-stabbing-captured-after-weekend-escape-2025-11-24/ (Reuters)]

Event summary via Wikipedia Current Events (2025-11-23).