Revenge probably features in most, if not all, lust killing. This chapter exemplifies where revenge for perceived transgression comes into the clearest focus and seems to occupy center stage. Of course, the revenge was disproportionate to the ‘offence’, a feature of displaced aggression and ‘revenge collecting’. Part of the trigger to revenge is a blow to self-esteem. The antagonism that Peter Sutcliffe felt towards women appeared to derive from suspicions over his partner’s infidelity and being cheated by a sex worker. Sutcliffe seemed to have a kind of love-hate relationship with sex workers. He was fascinated by them and engaged them in sex but was alsodisgusted by them and killed them. It can be speculated that Levi Bellfield’s toxic trajectory started when as a boy he was jilted by a blond girl. Most of his victims were blond girls, yet he sought this type as his girlfriends. Sergey Golovkin targeted boys.