Who discovered cheaters?

The term "cheaters" can refer to various contexts, but if you’re asking about the concept of cheating in games or relationships, it has been recognized throughout history by various cultures and individuals. In a broader sense, researchers in psychology and sociology have studied cheating behaviors and motivations. However, there is no single person who "discovered" cheaters, as cheating is a behavior that has existed for centuries and has been documented by many. If you're referring to a specific study or context, please provide more details for a more tailored response.