Logan MacPhail, now 17, knifed Holly Newton 36 times in an alleyway after stalking her for an hour through a town centre last January.
He denied murder but admitted manslaughter, claiming he blacked out, but was convicted following a trial at Newcastle Crown Court.
Earlier this month, the judge lifted a reporting restriction preventing the media from identifying the teenager.
Holly's grieving mother, Micala Trussler, made a moving victim statement at the start of a two-day sentencing hearing yesterday, watched by MacPhail via a videolink.
Enormity
The mother of four said she raced to the scene of the tea-time attack in Hexham, Northumberland, frightened of what she would find - but was met by a more horrific scenario than she had imagined.
Micala told the hearing: "The enormity and severity cannot be put into words.
هذه القصة مأخوذة من طبعة November 01, 2024 من Daily Express.
ابدأ النسخة التجريبية المجانية من Magzter GOLD لمدة 7 أيام للوصول إلى آلاف القصص المتميزة المنسقة وأكثر من 9,000 مجلة وصحيفة.
بالفعل مشترك ? تسجيل الدخول
هذه القصة مأخوذة من طبعة November 01, 2024 من Daily Express.
ابدأ النسخة التجريبية المجانية من Magzter GOLD لمدة 7 أيام للوصول إلى آلاف القصص المتميزة المنسقة وأكثر من 9,000 مجلة وصحيفة.
بالفعل مشترك? تسجيل الدخول
Hands-on Arteta already planning for the next era
MIKEL ARTETA celebrates his 250th game in charge of Arsenal today - and has already mapped out the future with the Gunners hierarchy.
Unai said: Until you can prove yourself you're a Championship player in my eyes
TOUGH love has transformed Morgan Rogers into a Premier League thoroughbred.
No place like a prize home for Omaze winner
ECSTATIC Sarah Perry has won a £500,000 home near her Powys roots in an Omaze draw and given her husband the shock of his life.
Back beside the seaside 52 years on
FUN-LOVING pals reshot a snap from their first holiday together - 52 years ago.
'Harshita, you left this world but are still in our hearts'
Family's tribute to body-in-boot wife
Factory farming costs taxpayer £1bn a year
THE factory farming of animals costs taxpayers almost £1billion a year, a study has found.
'Our beautiful one-of-a-kind Simone had a spark for life'
THE parents of a British lawyer who died after allegedly being served drinks laced with methanol in Laos say they are \"devastated by the loss of our beautiful, kind and loving daughter\".
Strictly Sarah: I didn't believe I could do lifts ...but look at me now
NEWLY confident Sarah Hadland has ditched her panic about bare legs, fake tans and doing ballroom lifts to become a firm favourite to win Strictly Come Dancing.
Down thunder! Aussie TV camp soaked
THE I'm a Celebrity...Get Me Out of Here! camp has been battered by torrential rain, which could lead to the contestants being evacuated.
300 jabs a minute to event tripledemic’
AN NHS vaccination blitz is delivering more than 300 jabs a minute to tackle a deadly \"tripledemic\" of flu, Covid and respiratory syncytial virus.
