How does GPS tracking device technology work and would it be effective in targeting youth crime? - ABC News
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Megastek Provide 4g LTE Prisoners Electronic Bracelet tracking Ankle with Tamper Resistant Wristband
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Tamper Proof Prisoners Electronic Bracelet GPS Tracker Con Sensor De Temperatura Offender GPS Watch - China GPS Watch, Offender GPS Watch | Made-in-China.com
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