Britain's Worst Teenager Also Its Youngest Hitman 24.29K Jeff Neumann 05/24/11 07:32AM Filed to: Briefly Briefly Britain Crime Murder Wtf 16-year-old Santre Sanchez Gayle, "Britain's youngest contract killer," has raised the bar for awful teenagers. He was sentenced to 20 years in jail today after he killed someone's mother for £200 (when he was 15).