Chapter Thirty-ThreeIt was late when Dufort and Perrault finished up at the factories outside Périgueux. They didn’t speak on the drive home, both of them dispirited by an afternoon of dead ends. Managers at all three places had been defensive and uncooperative, insisting that the cyanide at their plants was used solely for electroplating/film development/textile production. They bristled at the idea that any of their workers could be trying to make a few euros on the side by selling the poison to anyone, saying that the material was tightly controlled and all was accounted for.
There was no way to link the cyanide in the face creams to the cyanide at the plants; Dufort had ruled that out with the chemist before making the trip. His only hope had been finding someone who had noticed somet
