What did Harold Shipman do to his patients?

British serial killer Harold Shipman attended Leeds School of Medicine and began working as a physician in 1970. Between then and his arrest in 1998, he killed at least 215 and possibly as many as 260 of his patients, injecting them with lethal doses of painkillers.

What is Harold Shipman known for?

Harold Shipman, in full Harold Frederick Shipman, (born January 14, 1946, Nottingham, England—died January 13, 2004, Wakefield), British doctor and serial killer who murdered about 250 of his patients, according to an official inquiry into his crimes.