At Vimes' wedding at the climax of Men at Arms, as the shooter flees the tower, Carrot suggests that in order to catch the criminal they would need to announce that Edward was caught and visit the Unseen Library. Immediately afterwards the scene jumps to Vimes talking to Dr. Cruces in the sewers, having somehow easily found him and caught up with him.
It took me a while to figure that the library was mentioned because of the tunnel that Cuddy and Detritus dug, but the point about the misleading information about Edward is never developed.
Is there a logical jump in between scenes that just forgot about this point mentioned just a few paragraphs earlier? Or am I missing something in the story?