Graham Frederick Young (7 September 1947 – 1 August 1990), best known as the Teacup Poisoner and later the St Albans Poisoner, was an English serial killer who used poison to kill his victims. Obsessed with poisons from an early age, Young began poisoning relatives and school friends by lacing their food and drink with thallium and antimony. He was caught when his schoolteacher became concerned by his interest in poisons and contacted the police. In 1962, at the age of 14, Young was charged with administering poison to his father, sister and schoolfriend and detained at Broadmoor Hospital. Young would later claim responsibility for the death of his stepmother, although he was never charged with this crime. The presiding judge stipulated that Young should not be released without the Home Se