"Okay," he said between gasps. "I’ve wound it up. This is a specialist infiltration MI, designed to crack encryption and replace codes, nothing else. It can’t talk and doesn’t have a remote power supply; I have to wind its analytical engines every time we want to use it. Powered down, it’s inert and untraceable." He collapsed the handle, then plugged a small display into the vacant socket. Green text ran across it surface. "This’ll take a few minutes."