Catherine Evelyn Smith (born 25 April 1947 in Hamilton, Ontario) is a Canadian occasional backup singer, rock groupie, drug dealer, and legal secretary, who served 15 months in the California state prison system for injecting John Belushi with a fatal dose of heroin and cocaine in 1982.Smith had been paid for a front-page headline story in the Hollywood tabloid the National Enquirer, where she stated she was the person who injected the actor with a fatal drug overdose. Smith co-wrote the book Chasing the Dragon (1984) which told her life story; its title alludes to Smith's heroin addiction. Smith appeared prominently in the Bob Woodward book Wired: The Short Life and Fast Times of John Belushi (1984) and was played by Patti D'Arbanville in the 1989 film version of Wired.