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 No. 1 Ladies' Detective Agency Library award, both for the No. 1 Ladies' Detective Agency series. The novels have been adapted for radio by the author and for television. The BBC and American television network HBO filmed a series based on the books that stars Jill Scott as Mma Ramotswe and was shot on location in Botswana. The 109-minute pilot was written by Richard Curtis and Anthony Minghella, who also directed. The six 60-minute episodes were written and directed by others, as Mr Minghella died before the series was filmed. McCall Smith himself dramatised the series for BBC Radio 4. Thirty-three episodes have been broadcast,