Razor gangs were criminal gangs who dominated the Sydney crime scene in the 1920s. After the passage of the Pistol Licensing Act 1927, the Parliament of New South Wales imposed severe penalties for carrying concealed firearms and handguns. In response, Sydney gangland figures began to use razors as their preferred weapons.

Kathleen Mary Josephine Leigh was an Australian underworld figure who rose to prominence as a madam, illegal trader of alcohol and cocaine, and for running betting/gambling syndicates from her home in Surry Hills, Sydney, Australia during the first half of the twentieth century. Leigh, known as the ‘Queen of Surry Hills’, was a sly groger and fence for stolen property.