Using GPS tracking features in a cell phone, police have been able to foil a crime in progress. In one instance, a victim called 911 and left the phone on while the perpetrator didn’t realize it was on. The police officers activated the emergency tracking system on the phone and then located the car and arrested the perpetrator. The government mandated enhanced 911 capabilities on all cell phones after September 11, 2001. Police use...

When Cory Pulsipher began working in law enforcement over 20 years ago in Washington  County, Utah, the main channel of communication  for police and sheriffs was the two-way radio. Because of the area’s mountainous terrain, there were numerous “dead” spots – remote locations  outside of signal range where oficers could not communicate with central dispatch or call for  backup. Cellular telephones have changed...