Wearable technology for crime scene investigation

In this paper we report the concept and initial prototype of a device that can be used to support evidence recovery at a crime scene. The key elements are radio frequency identification (RFID) tags that are fitted to evidence bags, which provide an association between the bag´s content and an evidence log. The log contains such details as a description of the objects (provided through speech), images of the scene or the objects (captured through digital cameras), the time of recovery, the location of recovery (captured through either global positioning system or through ultrasonic positioning equipment) and the ID of the person who recovered the object. Subsequent analysis can also be linked to the RFID tag.