[Pollard]

using US-made hand-held scanners to tap into a massive US-built biometric database

They should have the MAC address of every single unit and be able to block those units from connecting to said massive database.

[Mark17]

They should have the MAC address of every single unit and be able to block those units from connecting to said massive database.

Unless the plan is to deliberately kill off all these people. That wouldn’t surprise me in the least.