[ Wash listens to the explanation, nodding a little. There used to be external arrays in his world, too, but Newt hit it right on the head. Implant technology was a big leap. ]

There's no way to turn it off. Or remove it. But maybe there's a way to secure it... shield it from however the Null got in? Back home I knew one AI who could hijack people almost the same way but never figured out what made him so special.