Overview

• On his third day of testimony, the 15-year-old told jurors he ordered a five-inch hunting knife described as “scary-looking” to deter classmates who had threatened him online
• He said a Snapchat message from Harvey Willgoose asking “Is it beef or what?” led to a brief sparring exchange that left him believing school was safe that morning
• CCTV footage presented at Sheffield Crown Court shows the defendant lunging at Harvey twice during the lunch break before Harvey collapsed 49 seconds later
• The defendant has pleaded guilty to manslaughter by reason of loss of control and possession of a knife on school premises but denies murder as jurors assess his self-defence claim
• Evidence heard so far includes earlier weapon acquisition on campus and police-seized images of him posing with an axe, knife and hammer as warnings to peers