A wearable GPS device that accepts voice commands, takes pictures, and logs evidence could speed up crime scene investigation and reduce errors.

The prototype consists of a small, thin computer about the size of a small book, which is equipped with GPS, a digital camera and an RFID tag reader. The computer is worn by the CSI, who uses a headset to give voice commands to the system – to trigger the attached digital camera, for example, or to record a verbal description of evidence.

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