Police Are Using Phone Tracking as a Routine Tool

http://www.nytimes.com/2012/04/01/us/police-tracking-of-cellphones-raises-privacy-fears.html?_r=1&hpw&gwh=061FCC2BC84A33E3626668E7EC8E6303

The practice has become big business for cellphone companies, too, with a handful of carriers marketing a catalog of “surveillance fees” to police departments to determine a suspect’s location, trace phone calls and texts or provide other services. Some departments log dozens of traces a month for both emergencies and routine investigations.