Allan Pinkerton affiliated with the notorious Banditti of the Prairie. After observing their movements for some time he informed the local sheriff, who arrested them. This later led to Pinkerton being appointed, in 1849, as the first police detective in Chicago, Cook County, Illinois. In 1850, he partnered with Chicago attorney Edward Rucker in forming the North-Western Police Agency, which later became Pinkerton & Co, and finally Pinkerton National Detective Agency, still in existence today as Pinkerton Consulting and Investigations, a subsidiary of Securitas AB. Pinkerton's business insignia was a wide open eye with the caption "We never sleep." As the US
The Big Sleep racketeering; Al Capone and Meyer Lansky were not role models. A figure like A. G. Geiger, the dirty-books racketeer in Raymond Chandler's "Big Sleep" (1939) who supplements his business activities as owner of a pornographic lending library in Hollywood by arranging sex orgies and blackmailing rich customers, is a fascinating but lurid exaggeration. However susceptible film personalities were to blackmail, it was not the métier of book dealers." The Big Sleep The Big Sleep (1939) is a hardboiled crime novel by Raymond Chandler, the first to feature the detective Philip Marlowe. It has been adapted for film twice, in 1946