With TouchID I always like to imagine some drug lord telling his minions that they need to cut off the protagonist's thumb to unlock his phone and get the secre

With TouchID I always like to imagine some drug lord telling his minions that they need to cut off the protagonist's thumb to unlock his phone and get the secrets within. The minions respond, "couldn't we just hold the phone up to his thumb?". And the boss says, "maybe, but I'd rather cut if off anyway".