The album was originally released in 1986 as a demo called Slaughter of the Innocent. Necrosis Records officially released the album as Horrified in 1989. The tracks were recorded in June 1986 at a basement studio in Flint, Michigan. They were then remixed in March 1989 at Silver Tortoise Soundlab, Ann Arbor, Michigan by Jonas Berzanskis, Scott Carlson and Aaron Freeman, and produced by Doug Earp and Repulsion. Relapse Records reissued Horrified in 1992. In 2002, Horrified was reissued again by Relapse, this time with a bonus CD consisting of various demos and other recordings titled Rarities. Read more on Last.fm.