Tracking online activity is a difficult business. People move more and more of their lives to the world wide web, and there is thus a wealth of information out there that people have exposed, whether intentionally or unintentionally. With this comes all new methods of tracking down wrongdoing–every day, people use online mediums to communicate about or coordinate illegal activities. But the internet is a big place, and tracking down these cases–performing the necessary Big Data Mining–is not so simple as just typing a few keywords into Google, or another search engine.
