The release for Slender Man attacker Morgan Geyser is on hold, according to a new letter filed in Waukesha County court ...

A woman who stabbed a classmate to please the fictional character Slender Man will not be sent to a Sun Prairie facility after all.

Morgan Geyser, one of two people convicted in the Slender Man stabbing will no longer be moved to a Sun Prairie facility.

One of the women who authorities say stabbed her friend 19 times to appease the fictional character, Slender Man, will no ...