![]() By gaining a subpoena for a particular mobile device account, investigators can collect a great deal of history related to a device and the person using it. Photos taken with a Global Positioning System (GPS)-enabled device contain file data that shows when and exactly where a photo was taken. Even photos posted to social media such as Facebook may contain location information. Satellite navigation systems and satellite radios in cars can provide similar information. ![]() To gain this knowledge, investigators can access an average of the last 200 cell locations accessed by a mobile device. In addition, many mobile devices store information about the locations where the device traveled and when it was there. These systems keep an average of 1,000–1,500 or more of the last text messages sent to and received from that phone. ![]() ![]() For example, mobile devices use online-based based backup systems, also known as the “cloud”, that provide forensic investigators with access to text messages and pictures taken from a particular phone. How It’s Done Evidence that May be Gathered DigitallyĬomputer documents, emails, text and instant messages, transactions, images and Internet histories are examples of information that can be gathered from electronic devices and used very effectively as evidence.
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