He sometimes thought about making a deliberate mistake, something small but dangerous. But the problem was knowing what change to make. They transcribed plans for individual components of the machinery so that it was hard to know what was a vital piece and what wasn't. Also, it was impossible to know which were real, working components and which were dummies like the valves. And what would Ciara do if he did introduce a fatal flaw? Would she correct him or let his mistake through? But if she did that she'd be just as much to blame as he was. He tried to catch her eye as he showed her each completed plan, to hint that he was ready to act, but she never appeared to notice.
Eventually, he stopped paying much attention to the others' work, stopped looking for deliberate mistakes, and consigne
