Been there, I thought, done that, read The Silmarillion. - Ben Aaronovitch

You know how some people work at being stupid?" she asked. "If you give them a clear, common sense choice they give it a lot of thought and then choose stupid.

From a policing point of view, 3-D printers were your classic new technology. Everybody knew they were going to be used by criminals for something, but nobody was sure what.

This was the Wyldewood, spelt with a Y, that once covered the Island of Britain and would again, once the pesky tool-using primates had done the decent thing and exterminated themselves.