5 After lunch, I meet Andrew back at the training room. This time Roger’s with him, plus another Cleaner, all three in full-gear. Don’t know if I’ve seen this other guy before. Can’t tell with the helmet obscuring his features. Probably have, though. One of the guys from yesterday, sniggering from the side lines. “Andrew tells me you have a great aim,” Roger says, his tone brimming with cynicism. “Well done. You keep surprising me, Catherine.” “Thanks. I had a good teacher.” “I bet you did.” I scan the room, trying to guess what’s next on the agenda. Can’t see anything obvious, but the fact that Roger’s here at least indicates that it’s something important. Or dangerous. “This is Darren,” Roger says, pointing his hand in the Cleaner’s direction. “He’s just here to help keep you safe

