Investigators are increasingly relying on personal data collected from mobile devices to help them solve crimes.

While some states have taken steps to protect cell phone information, Massachusetts could become the first state to outright ban the sale of location data from cell phones. A bill making its way ...

Smartphones contain a treasure trove of personal data, which makes them a worthwhile target for hackers. However, law enforcement is not above snooping on cell phones, and their tactics are ...