This GPS Tracker Is The Ultimate Survival Gadget That Fits In Your Hand - LifeHack
Mail thefts: Police used GPS-tagged mail to track, catch, convict men in Kettering postal case
Police Use GPS-Tagged Mail to Catch Postal Thief
USPS changing mailboxes after widespread thefts; Dayton, Kettering among areas hit
A Battery Sipping Cellular Mailbox Notifier | Hackaday
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RockSTAR Handheld Global Satellite Messaging and Tracking