The Young Poisoner's Handbook (1995)

The Young Poisoner's Handbook is a dark comedy based on the true story of Graham Young, a teenage boy who becomes a notorious poisoner. Set in London during the 1960s-1990s, Graham's disturbing fascination with chemistry and his social misfit tendencies lead him to poison multiple people, including his stepmother. The film explores Graham's twisted psyche and the consequences of his actions.