Mexico and RFID

Mexico has a national vehicle registry called Registro Público Vehicular (REPUVE) and every vehicle titled in Mexico is required to be entered into the system. The data entry process is still underway and the majority of the vehicles in the country still haven’t been entered. Newer vehicles are put into the system by the manufacturer or distributor prior to being sold.

Once a vehicle is entered into the REPUVE system, a blue sticker containing an RFID tag is affixed to the windshield. Whenever the vehicle passes near an RFID reader, the vehicle’s information is recorded. In the even that the car is stolen, the police are immediately alerted.

Fixed RFID readers are placed along roadways and some police cars are equipped with portable readers.
http://qroo.us/2017/04/16/mexico-requires-tracking-devices-on-vehicles/

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In other news

Mexico's top federal prosecutors and investigators began receiving chip implants in their arms in November in order to get access to restricted areas inside the attorney general's headquarters, said Antonio Aceves, general director of Solusat, the company that distributes the microchips in Mexico.
Attorney General Rafael Macedo de la Concha and 160 of his employees were implanted at a cost to taxpayers of $150 for each rice grain-sized chip.

http://www.nbcnews.com/id/5439055/ns/technology_and_science-tech_and_gadgets/t/microchips-implanted-mexican-officials/