Slender Man stabbing victim continues to recover from attack Mother of Payton Leutner writes victim impact letter to judge as one of two girls responsible for attack is set to learn how long she'll spend in a mental health facility. NEW You can now listen to Fox News articles! Authorities have launched a manhunt for Morgan Geyser, the Wisconsin woman convicted in the 2014 "Slender Man" stabbing, after she cut off her Department of Corrections monitoring bracelet and fled a Madison group home