Morgan Geyser and Anissa Weier are being charged as adults with attempted murder . The girls were allegedly trying to please Slenderman , a horror story meme the girls had encountered on a website known as Creepypasta Wiki . They are accused of stabbing another girl more than a dozen times in May . The girls were 12 years old at the time, but prosecutors say they had been planning to kill their friend since last year when she was just 11 months old.
Morgan Geyser and Anissa Weier are being charged as adults with attempted murder . They are accused of stabbing another girl more than a dozen times in May . The girls were 12 years old at the time, but prosecutors say they had been planning to kill their friend since last year when she was just 11 months old.