getting inadvertently species affirmed by the evil magitech dictatorship's invasive magical security technology

warning. warning. monster detected. 
a dragon has breached the perimeter.

bonus points if the technology doesn't pinpoint you exactly and they're unaware that dragons born in human shape are a thing so you just get shuffled into a corner with all the other civilians while the guards drive themselves mad because they can't find the fucking dragon anywhere

generic armoured evil empire officer, into his gauntlet communicator, in an inexplicably posh British accent: WHAT DO YOU MEAN YOU CANT FIND THE DRAGON