Cell phone tracking data is often presented as evidence in murder cases in El Paso, but what is the law to protect a citizens' right to privacy?

Of all of the recent technological developments that have expanded the surveillance capabilities of law enforcement agencies at the expense of individual privacy, perhaps the most powerful is cell ...

Add Yahoo as a preferred source to see more of our stories on Google. A Milwaukee PD "critical response vehicle", or surveillance van. (Photo by Isiah Holmes/Wisconsin Examiner) A Milwaukee PD ...