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
Dragon Detective Agency Holly become friends and she joins him on later cases. Dragon Detective Agency The Dragon Detective Agency is a series of children's books written by Gareth P. Jones and published by Bloomsbury Publishing. The first book, called 'The Case of the Missing Cats', was published in 2006. It involves a girl called Holly Bigsby who has lost her cat Willow. She calls the Dragon Detective agency but she does not know that there's a dragon on the other end called Dirk Dilly. Dirk thinks it is an investigation that he does not need to solve but he finds out there