Law Enforcement Use Online Data to Track Criminals

Law-enforcement and intelligence agencies are increasingly relying on information from the Web and electronic records to help solve crimes and evaluate threats, producing a stream of new business for companies that can help them crunch the data. From big defense contractors to smaller, specialized start-ups, companies are cashing in on healthy demand for software and other technology that can sort through and analyze mountains of government and private-sector data to help track down criminals or look for signs of terrorist activity.