The preponderance of social networking sites enables individuals to share all sorts of information about their lives. Interestingly, criminals and deviants are using this technology to discuss their lives and activities. As a consequence, researchers and law enforcement can better understand the motivations, actions, and routines of criminals, thus linking individuals behind computers to criminal events on and offline. This presentation will discuss the complexities and challenges involved in examining and compiling information about bad guys of all sorts from around the glove, with particular emphasis on malware writers, carders, and other nefarious types. In addition, this talk can provide examples of why you should not provide any details about your personal beliefs and behaviors in online outlets.