Over the years the Metropolitan Police Service have investigated many unusual crimes which have become part of policing history.
Brides in the Bath Murders
George Joseph Smith was a serial killer and bigamist. In 1915 he was convicted and subsequently hanged for the slayings of three women, the case becoming known as the "Brides in the Bath Murders
The Siege of Sidney Street
This gun battle in which troops were brought in to assist the police in 1911 was unprecedented in the history of the Met.
Twin brothers Ronald "Ronnie" Kray and Reginald "Reggie" Kray were gangsters who were perpetrators of organised crime in London's East End during the 1950s and '60s