Even if the LED remained on, the victim would be powerless to do anything about the picture that was taken. I've seen videos on youtube of scammers doing this t

Even if the LED remained on, the victim would be powerless to do anything about the picture that was taken. I've seen videos on youtube of scammers doing this to blackmail their victims. Kill switches should be mechanical and should physically disconnect the device from the system. Kill switches and lights that are controllable by software will be exploited.