The teenager was murdered in front of horrified children and teachers at All Saints Catholic High School in Sheffield on February 3 last year by Mohammed Umar Khan.
Harvey Willgoose, 15, was attacked by Mohammed Umar Khan, also 15, during a nine-second confrontation on February 3 last year after the two former friends had argued on social media.
Mohammed Umar Khan, 15, stabbed Harvey Willgoose in the heart during a confrontation in front of other pupils during their lunch break at All Saints Catholic High School, Sheffield.
Mohammed Umar Khan took a hunting knife to All Saints Catholic High School in Sheffield and knifed Harvey Willgoose in the heart in front of horrified children on February 3.
Mohammed Umar Khan, 15, was found guilty of murdering Harvey Willgoose, also 15, during their lunch break at All Saints Catholic High School in Sheffield.
Caroline Willgoose says her son's reputation was 'tarnished' at the trial of his killer, with him not being around to defend himself - and that the murderer's identity should now be publicised.