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
Never Sleep Again: The Elm Street Legacy including: The second disc includes extended interviews and a "first look" at Heather Langenkamp's "I Am Nancy". It also includes the featurettes: On Rotten Tomatoes the film has an approval rating of 100%, based on 6 reviews, with an average rating of 8.5/10. Michael Gingold of "Fangoria" gave the documentary their highest marks, writing that "the amount of behind-the-scenes and other footage the filmmakers have assembled is nothing short of amazing. "Never Sleep Again" contains a treasure trove of rare and never-before-seen deleted scenes, FX-creation shots, etc", concluding, "... [the film] truly does do justice to the "Elm Street" legacy,