The song "BTK" by Exodus is a fictional narrative that explores the disturbed mind of a serial killer. It is not based on a real-life event or individual. The lyrics paint a dark and disturbing picture of the killer's thoughts and actions. The song begins by describing the killer as a respected member of the community and a leader within the church. However, behind this facade, the killer is driven by a sadistic and deviant desire for reward and pleasure. The term "Factor X" refers to the unknown factor that triggers the killer's urge to kill. The chorus expresses the chilling nature of the killer's actions, describing him as a sadist, evangelist, rapist, and antagonist. He haunts and taunts others, constantly threatening to strike again. The lyrics also describe his orgasmic desire for violence, as he tightens the cord and watches his victims' lives expire. The killer is referred to as "BTK," which stands for "Bind, Torture, Kill." This acronym symbolizes his method of operation and the terror he inflicts on his victims. The song suggests that he revels in the power he holds over others and that death is associated with his sexual desires. The lyrics also mention a family who becomes a prototype for the killer's crimes, implying that he uses them as a blueprint for future killings. The reference to Kohoutek, a comet that appeared in 1973, suggests that the killer has been active for a long time. The second verse hints at the killer's downfall through technology. It suggests that he is caught or exposed through a computer disc, ending his reign of terror. The song emphasizes the contrast between the primal and technological aspects of the killer's existence. In conclusion, "BTK" by Exodus is a disturbing and graphic exploration of a fictional serial killer's twisted mind. It portrays the killer's desire for power, pleasure, and control over his victims.