“She would show us some of the pictures, and she would read us some of the stories, and while some of the subject matter was a little dark, I wasn’t concerned,” Angie Geyser said. She has agreed to remain in a state mental institution for at least three years before seeking release on community supervision. Morgan Geyser admitted that she didn't really think about what would happen after stabbing Leutner. Morgan Geyser's mother Angie Geyser is seen here during an interview with "20/20." And I just want to get us all away from that.”, 24/7 coverage of breaking news and live events. "It wasn't until we started talking with the girls that we really knew it was two 12-year-old girls that have planned for six months to kill their friend," Casey said. "So I started walking away, and then, like, when I was 5 feet away, I said, 'Now,'" Weier said. When the police first reached Kristi Weier, she said they told her Anissa was missing and she feared her daughter had been abducted. Morgan’s mother said she knew about her daughter’s fascination with Slender Man and talked about it with her. Morgan Geyser is led into the courtroom at Waukesha County Court, Aug. 19, 2016 in Waukesha, Wis. Anissa Weier listens during jury selection in her trial at Waukesha County Courthouse, Sept 11, 2017, in Waukesha, Wis. Anissa Weier is escorted into the courtroom for a hearing at Waukesha County Circuit Court, Dec. 22, 2016, in Waukesha, Wis. Morgan Geyser is led into the courtroom, Dec.12, 2016, for a hearing on motions in the so called Slenderman stabbing case at Waukesha County Courthouse in Waukesha, Wis. (MORE: Moms of guilty teens in 'Slender Man' case say there were no red flags of violence), (MORE: 'Slender Man' stabbing survivor's mother offers message of hope to other parents), (MORE: 2nd teen in Slender Man case to remain in institutional care for 40 years), (MORE: Teen in Slender Man case to remain in institutional care for 25 years, judge says). As neighbors and law enforcement began looking for the girls, Kristi Weier found her daughter’s cellphone which she had left behind at Morgan’s house. It's just her and I divided by glass talking, and she's able to open up to me and tell me what's troubling her, what's on her mind,” Kristi Weier said. WAUKESHA, WI — Morgan Geyser, one of two Wisconsin girls convicted with stabbing a classmate 19 times to satisfy the fictional horror character Slender Man lost her appeal on Wednesday. “There are moments where I can't think of a happy thing when I come up here, where my heart is so full of sadness that I don't even know what to say when I get in there. On May 31, 2014, twelve-year-old Morgan Geyser, with the aid of twelve-year-old Anissa Weier, repeatedly stabbed her friend, the twelve-year-old victim in this case. ", Slender Man stabbing: Parents recall what happened that morning: Part 1. “It’s difficult living in the community where you experienced the worst thing that's ever happened to you,” she said. Sitting in a … "There was one of them called Slender Man… He can be anywhere from 6 feet to 14 feet tall," Weier said. For the first time, the Leutners talk about the horrific day their 12-year-old daughter was stabbed 19 times. In the aftermath of the stabbing, investigators searched Morgan’s room and found disturbing evidence of a deteriorating young mind, which included drawings of Slender Man with children and the words, “I want to die,” and “help me escape my mind” scrawled across a page. ", Morgan Geyser stabbed Leutner 19 times. It wasn’t until her family successfully petitioned a judge to civilly commit her that she was moved to a mental health institution where she received medication for schizophrenia. There and gone like that.". Both mothers said their daughters are remorseful for what they did to Payton. Police also found that Morgan Geyser sent Anissa Weier an email instructing her to remember to clean out her browser history. We will know what to look for in the future,” she said. At the time, Kristi Weier still had no idea that the victim had been stabbed 19 times. He doesn't have a face. "I thought that they were in grave danger and that we may find these girls dead," Casey said. The girls were in the bathroom stall at the park when they decided to try to knock out Leutner before they killed her. Anissa Weier and Morgan Geyser's moms say their daughters were "typical girls. During the interrogation, Weier asked police where Leutner's body was, and police revealed she was alive at the hospital. And that's a very scary and dark story, so I just thought it was normal for a child of middle school age to be interested in scary stories.”, But Anissa's mother, Kristi Weier, said her daughter “never mentioned anything to me about her belief in Slender Man.”. "I know she'll never trust me again and that she hates my guts," Weier said. ", Weier said she and Morgan Geyser talked about their plan to murder Leutner in public sometimes, "but we made sure we whispered. As I approached her I said, 'Hi, I'm Officer Dan. Trussoni immediately sprang into action to collect information from Leutner in case she died from her injuries. Anissa said that she'd go get help. "They told her they were going to go get her help but Anissa flat-out said, 'No, we weren't getting her help. Kristi Weier has told ABC News that she is interested in working with others on juvenile justice reform. Waukesha Det. I remember being 11 years old and riding home from the library with [the book] 'IT' under my arm. Morgan Geyser's attorney, Matthew Pinix, said he plans to appeal the decision to the Wisconsin Supreme Court. Not only were there police in my living room, but they were wearing riot gear.”. “We've actually, in a sad sort of way, had more of a mother-daughter bonding time than we've ever had before without the distractions of cellphones or video games or phone calls or TV. Angie Geyser said she wasn’t surprised by the diagnosis because Morgan’s father has schizophrenia. I can’t wipe away a tear, I can’t give her a hug. Weier explained to the police that she learned about the frightening Slender Man figure on a website that collects horror stories called Creepypasta Wiki. “I couldn't believe what I was hearing,” Angie Geyser told ABC News’ “20/20.” “I never would have imagined that my daughter was capable of hurting another person.”, Watch the full story on ABC News "20/20" THIS FRIDAY, FEB. 2 at 10 p.m. “I checked all of her text messages, trying to figure out the people that she called and contacted last,” she said. "They were kind of dirty, covered in some stains," Trussoni said. Why did you do such a stupid, psychotic thing?’ The children just wouldn't let it go,” Kristi Weier said of her daughter Anissa’s experience. SEAN DOOLEY, EMILY WHIPP, KELLEY ROBINSON, ALEXA VALIENTE and LAUREN EFFRON. He discovered that the two girls had a sleepover the night before with a third friend, Anissa Weier. So unless you’re talking about the delusion, you may not know that it exists,” Dr. Melissa Westendorf, who was one of the court-appointed forensic psychologists who evaluated Anissa and testified at the trial, told “20/20.”. "I didn't really understand what we were doing but I really didn't wanna make Anissa mad," Morgan Geyser said. In accordance with the plea deal, the court also found Geyser not guilty by reason of mental disease or defect despite her earlier guilty plea. Anissa Weier, Morgan Geyser and Payton Leutner had a sleepover and asked to go to the park the morning after. It was a sunny day in Waukesha, Wisconsin, on Saturday, May 31, 2014, and Detectives Michelle Trussoni and Tom Casey were looking forward to a quiet work day. "While Payton is putting on a pink dress — a princess dress — the two start talking and they start devising plan number two.". Then the officer asked Morgan what she did with the knife she used. Anissa Weier's mother Kristi Weier sat down for an interview with "20/20.". That girl was Payton Leutner, who had been stabbed 19 times by her best friends, who were also 12 years old at the time, in the name of a fictional internet character named "Slender Man." Investigators uncovered notebooks with writings and drawings related to Slender Man in Morgan Geyser's locker. "Then she said that 'I hate you,' and then we lied to her. "I actually thought that he was real. I did search her iPad. "From where Waukesha is, the Nicolet National Forrest would be approximately [a] four to four-and-a-half hour drive," Trussoni said. Morgan Geyser was later diagnosed with early onset schizophrenia, which is extremely uncommon at her age. "It's hard enough to make friends. As a mother, you’re supposed to be there to protect your child, and you know, I think on some level, I’ll always feel that I failed in that regard.”. She also said her daughter is "no longer a danger."