Now, private companies are developing tools that could help law enforcement and schools identify threats before they happen. Lumina Analytics offers a product called Radiance, which lets police scan the web for public information on people and identify potentially threatening behaviors. It focuses on education, providing a template for interviewing students who have already been reported as possible threats. Baker said flagging potential threats using machine learning has a 97-percent accuracy rate, compared to 39 percent using traditional pen and paper methods. However, Florida State University law professor Wayne Logan cautioned lawmakers of the potential Orwellian consequences of the new technology.