"There is only one sure way to stop a suicide bomber determined to fulfil his mission - destroy his brain instantly, utterly. That means shooting him with devastating power in the head, killing him immediately."

I'd have thought that it'd be the easiest thing in the world for a bombmaker to rig up something equivalent to the "dead man's handle" or "dead man's switch" that train drivers have. The difference being, when the grip was relaxed, instead of the brakes being applied, the bomb would be exploded.