Will Second 'Slender Man' Girl Stand Trial?

One of the girls was declared incompetent to stand trial, now the other is in court to learn her fate.
3:31 | 09/15/14

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Transcript for Will Second 'Slender Man' Girl Stand Trial?
We begin with tlaits on the slenderman stabbing case. Two girls stabbing their friend 19 times to please the fantasy kargt. One girl is already declared incompetent to stand trial. Reporter: Later today, 12-year-old Anisa will be back the court as her attorney argues she's unfit to stand trial. She and her friend, Morgan, both charged with first degree intentional homicide. After allegedly stabbing a classmate 19 times. In an attempt to gain favor with a fictional character slenderman. The attorney said his client met with a psychologist. She's not capable to proceed. Now the judge has a duty to ask more questions, get other experts involved. Not just the defense attorney's hired gun expert. Reporter: The same argument working for 12-year-old Geiser just last month. Two experts said she was not competent. Despite our serious conversations, she would laugh, hysterically almost. In absence of anything that would be relevant. The defense benefits tremendously from putting the brakes on in case like this. Fighting about competency is one of the ways to put the brakes on. Reporter: This morning, the survivor's spokesperson says they stand behind prosecutor's efforts. Reporter: The 12-year-old survivor has remained anonymous since the attack. She's laying on the grass. Reporter: This morning, she's back at school. And making major strides. To be so excited to be -- to go back to school, to want to hop on the bus and to get back with friends and classmates, it's been a journey. One done by a very brave young lady. Reporter: And part of the girl's return to normalcy is that she now sees herself as a survivor. Not just a victim. That hearing here at the courthouse is set for early this afternoon. George? Thank you, Alex. Dan Abrams back with more on this. Even if both girls are found incompetent to stand trial, that doesn't mean they'll escape punishment? That's temporary. They can't assist in their defenses currently. They don't understand the proceedings. The goal is to secure them so they can go to trial. This is not a resolution of the case in any way, shape, or form. If they're found to be cured and stand trial, does it rule out an insanity defense? No, they'll almost certainly pursue that. Saying I don't understand right or wrong at the time of the incident. Competency to stand trial relates to their mental state today. Insanity relates to the mental state at the time of the crime pip would expect they would say they didn't understand right from wrong when this happened. This is where their age comes into play. Both of them, at age 12, their lawyers will be saying, not only were they mentally incompetent. But look how old they are. They didn't understand it. That's the real goal. Get it into children's court. They want this out of adult court. There's a presumption in Wisconsin, if you're over the age of 10, it goes to adult court. Dan Abrams, thank you. Now to the massive manhunt for the gunmen who ambushed two

This transcript has been automatically generated and may not be 100% accurate.

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