...By feeling your electric potential. Despite being code, we all emit weak electromagnetic waves.

[ He hasn't actually explained to Akane that he has 'special powers', so this might just sound insane, but. At the same time, Cerealia has strange people, so it should also be par for the course, he figures. ]

If something drastic was done to you, or if you'd been bugged, I'd be able to feel the discrepancy.

[ Aside from the bug everyone's been wearing from day one. ]