Rachel

“Oh, good grief," said Vimes. "Look, it's quite simple, man. I was expected to go "At last, alcohol!", and chugalug the lot without thinking. Then some respectable pillars of the community" - he removed the cigar from his mouth and spat - "were going to find me, in your presence, too - which was a nice touch - with the evidence of my crime neatly hidden but not so well hidden that they couldn't find it." He shook his head sadly. "The trouble is, you know, that once the taste's got you it never lets go."

"But you've been very good, sir," said Carrot. "I've not seen you touch a drop for -"

"Oh, that," said Vimes. "I was talking about policing, not alcohol. There's lots of people will help you with the alcohol business, but there's no one out there arranging little meetings where you can stand up and say, "My name is Sam and I'm a really suspicious bastard.”
― Terry Pratchett, Feet of Clay