No bet. Drill down to the original WaPo article, and you will find this gem:
A variety of approaches are in development. Armatix, the German company behind the iP1, uses RFID chips, which can be found on anti-theft tags attached to expensive clothing. TriggerSmart, an Irish company, also uses RFID chips, though with a ring instead of a watch. The company also has technology that would render guns inoperable if they approached electronic markers — for instance, near a school.
How's that for convenient? Police knock down your door and carry an RFID "jammer" that makes all non-police smart guns inoperative.
Yep; KNEW that was to be part of it, somewhere.