Roland Piquepaille writes "According to RFID Journal, the Los Angeles County Sheriff's Department is about to launch a pilot program to track 1,800 inmates using RFID devices. If the test is successful, the technology will be deployed for the 18,000 inmates of the L.A. county jails. With this system, inmates carry a wrist bracelet which issues a signal every two seconds and is caught by RFID readers installed everywhere in the prison. Officers and staff also carry a RFID device attached to their belts. And a central server keeps track in real time of the position of all prisoners and guardians. Besides tracking locations, the system also intends to reduce violence within the jail and to avoid escapes. If this system works as its promoters think, the potential market to equip all federal, state and county jails in the U.S. exceeds $1 billion. This overview contains other details and references, including a picture of a wristwatch transmitter worn by inmates."
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