Slender Man stabber missing for day after removing monitoring bracelet

Geyser in an image released by authorities

Morgan Geyser, the now 22-year-old woman whose obsession with the Slender Man creepypasta character led her to stab a schoolmate when they were 12 years old, went missing Sunday after removing her monitoring bracelet. Geyser, out after seven years in detention, was back in custody that evening. Police in Madison…