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.
He was sent to Broadmoor Hospital in 1962 after poisoning several members of his family and killing his stepmother. In 1971, when he was released, he went on to poison seven more people and kill two. He was then sent to HMP Parkhurst where he died of a heart attack in 1990.