Weier and Geyser were found not guilty by mental disease or defect and committed to mental health institutions for sentences of 25 years to life and 40 years to life, respectively. After seven years, Weier was granted early release and will be under supervision until age 37.
It is possible Kate was in the middle of writing the Eight Pages when Slenderman attacked her in the house. Judging from the broken window, she was either thrown out or jumped out to escape Slenderman.