Cheater Killer is an online test device for partnership infidelity and courting questions. It is based on the psychological tool StimulTest, which uses the principle of truthful answering of subliminal stimuli. It convinces with a 95% accuracy. CheaterKiller offers a system that lets you get clarity within some minutes. In milliseconds, as a consequence subliminal, the character being tested gets statements or pictures on the screen, to which he automatically answers truthfully.