Anissa Weier, one of the two then 12-year-old girls who said they attacked a friend to please the fictional character "Slender Man," will be released from a mental health facility on Monday.

Morgan Geyser and Anissa Weier were 12 years old when they stabbed their close friend 19 times in an effort to please the mythical horror figure Slender Man (also called Slenderman).

Anissa Weier appears via video link from the Washington County Secure Detention Center where she is being held, during a hearing in Waukesha County Court on November 11, 2016.

A Waukesha County jury began deliberations shortly after 10 a.m. to decide whether Anissa Weier was mentally ill when she and Morgan Geyser stabbed a classmate, Payton Leutner, 19 times Memorial ...

Anissa Weier, one of two women institutionalized for her part in the Slender Man stabbing, should be released from a state mental hospital because she doesn't have any violent tendencies or ...

Anissa Weier is charged along with Morgan Geyser in the attempted murder of their then-sixth grade classmate in the spring of 2014. Investigators say the attack was an attempted sacrifice to the ...

William Weier, Anissa's father Osborne said the police interviews show it wasn't until after the attack had taken place that Geyser told Weier that Weier or her family could have been in danger.

Anissa Weier, one of the Wisconsin teens convicted in the 2014 Slender Man stabbing of a 12-year-old friend, says sheâ s â deeply regretful." Weier, now 19, is seeking an early release from a state ...

Anissa Weier, 16, will now spend 25 years under a mental health institution’s supervision, with credit for her 1,301 days already spent in incarceration.

WAUKESHA - A jury late Friday agreed Anissa Weier should get treatment for the Slender Man delusion that led her to try to kill her sixth-grade classmate, and not go to prison for the crime. Ten ...

A judge should deny Anissa Weier's request to be released from a state mental hospital in the Slender Man stabbing case, prosecutors contend. “The state believes she is a danger to others ...

A Waukesha County jury will decide whether Anissa Weier was mentally competent when she and Morgan Geyser stabbed a classmate, Payton Leutner, 19 times on Memorial Day 2014.