Can they locate the person's exact location? That depends on the cell phone. The cell phone that have gps tracking are easy and can be located. most phones do not have this.If an Officer needs to locate someone by their cell phone then they do it by the "pings". When a cell phone locates and utilizes another cell tower it sends a "ping" to that tower. This ping lets law enforcement know that the person is within a certain diameter. If the "ping" is off different cell towers then that will show a specific area.Can they find out exactly where the person is? No, not unless the cell phone is capable of gps tracking. Mobilspionage