They also track people by connecting to cell towers. When there is a murder the connection between a suspect and a victim can be found on their phones. And all this tracks back to the International Mobile Equipment Identity number of the phone used.
In the meantime, more programs are encrypted. WhatsApp is an example. Encryption makes it difficult to determine communications of people involved crimes. These programs rely on Wi-Fi, not cell phone towers. They can’t be traced and for all practical purposes they disappear.
Encryption makes it difficult for investigators to use the specific data as evidence.
GPS Evidence
All new cars come with GPS trackers which report a vehicle’s location in real-time and have the ability to transmit driving data to a user’s cell phone. They can also report factors such as average vehicle speed and when a car stops.
With a warrant the police can obtain this data to find out exactly where the suspect was to determine if they had an opportunity to commit murder.
