The mixtape was first mentioned by Elin from jj in a video interview for Swedish National Television while on tour in Europe.

[3] Being a mixtape, Kills was released completely for free, as a direct download, at Sincerely Yours website on Christmas Eve 2010.

[4] After just three days since being released, Kills had been downloaded more than 30,000 times, a number generated from only two of the several file hosting services.

As mentioned in an interview made as early as February 2010, the songs on the mixtape all "blended together" and created a completely seamless record.

[13] The video, directed by Olivia Kastebring, featured band members Joakim Benon and Elin Kastlander and was mainly location shot inside a church.