20 Lorna Liar Whumph. I’m officially naming it the best sound ever. Well, it was kind of a whumph. It’s pretty hard to describe the noise a breeze block makes when it cracks over a bald man’s head. But that was pretty much it. Suddenly Red Vest’s arms gave way,. He slumped to his knees. I fell sideways on to the landing floor. I looked up and saw the defector stood behind Red Vest, hands dusted in concrete; the block in two at his feet. Red Vest slowly lurched forward and fell through the four-storey gap between stairs. By the time I got to my feet and peered over the edge, Red Vest’s body was slumped on top of Agent Danby’s. “Can you see in that thing?” I asked the defector, pointing at his hood. He pinched finger and thumb together. A little, he was saying. “Here,” I said. “W