15-year-old suspect killed Jason Bouillon with multiple 20cm knife stabs at Chimay train station on November 24, 2022. Incident started when victim's scooter crushed suspect's phone and suspect harassed victim's sister. Victim had previously broken suspect's nose requiring surgery. Suspect acted day of hospital discharge, possibly after 10-minute absence to fetch knife, balaclava, and gloves. Youth court handles case because suspect was 15-and-a-half, barring adult assizes court and prison. Prosecutor demands 150 hours educational community service. Family demands law change for 14-plus minors to face adult penalties and retroactive rejudgment. Parents of suspect blamed for ignoring his school bullying and withdrawal. Suspect expressed regret and wished to go back in time. Judgment set for June 26, 2025.