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
Sinners Never Sleep album was released in the US. On the same day, "Little Death" was made available for free download. In January and February, the group went on a co-headlining US tour with The Swellers with support from We Are the Ocean and Twin Atlantic. The tour was initially planned to be co-headlined with The Dangerous Summer. To coincide with the tour, "Sinners Never Sleep" was released in the US on 24 January. Franceschi explained that by having the US release awhile after its original UK release, the label wanted more time to promote it. Around their performances at Soundwave festival in