A column of Churchill tanks rolled steadily along a road. Then, without warning, five of them were torn apart by explosions. Sabotage! Next morning, while shunting out of a tunnel, a military train was blown to pieces. Sabotage! Three days later a Lysander exploded in mid-flight, killing a high-ranking Allied commander. Sabotage! Who was the saboteur? Well, for a start he was a British soldier...
