17a. It may be instrumental in police work (4) Last letter in crossword to go. I have -ASE. Is it base or case? I can make a case for either. But neither that satisfactory. Eg instrumental case/case...
Hi all Hopefully I'm not treading on Mintyman's toes but as I know a number of people enjoy The Spectator crossword I have saved a pdf of it and can email it out to interested parties. To save me...