A troubled teenager fixated by serial killers and school shootings has been found guilty of the attempted murder of her best friend.
A jury at Winchester Crown Court heard that the pupil, aged 14 at the time, lured her victim to a quiet corner of their Hampshire school grounds with the promise of giving her a present before stabbing her on April 25.
She instructed her friend to close her eyes to receive the present. The friend escaped with a minor injury to her chest because she opened her eyes at the moment of the attack and managed to pull away and run off.
The defendant, now 15, who had researched fatal stab wounds, denied intending to kill her victim but had admitted wanting to hurt her. She has previously pleaded guilty to unlawful wounding and possession of a bladed article on school premises.
The defendant, wearing a white shirt, closed her eyes as the verdict was announced and fought back tears as she was led from the court.
The judge, Mr Justice Fraser, has adjourned the case for sentencing and ordered a psychiatric report and pre-sentence reports to be prepared on the defendant.
The jury of seven women and five men took two hours and 45 minutes to reach its unanimous verdict.
The court heard that the night before the incident, the defendant had researched fatal stab wounds to the heart. She admitted that she had been fascinated with serial killers and had even produced a fashion GCSE project based on American Ted Bundy.
She had also planned to slit the throats of her mother and brother while they slept and, the court heard, she had produced a journal, which she later burned, with a plan for a school shooting which included a "kill list" of 60 people.
The defendant told the court she had planned to do something "sensational" so that she would "stand out" from others and because she was not interested in having a nine-to-five life "mapped out" for her.
The trial also heard that, the night before, she had cut a "Chelsea grin" on her face to emulate Heath Ledger's Joker from The Dark Knight Batman film as she intended to enter an "insanity plea" if she was arrested for a crime.
The defendant said she had chosen her friend as her target because she felt "uneasy" about her after fake social media profiles were set up in her name the previous summer. The victim denied any involvement.