Board Certified Criminal Trial Lawyer at Law Office of W.F. ”Casey” Ebsary, Jr. notes recent developments in Cell Phone Location Data used in Criminal Prosecutions. When the government wants to track an individual’s location through his or her cell phone, it submits an application to a judge seeking an order compelling a company to provide access to location data. Cell phones generate several types of data that can be used to track their users’ past or present locations with various degrees of precision.