Possible Clues:

• Many a TV crime drama
• Turns up, the foreign bad-mannered military group is mostly for show - with the cops doing it by the book
• Police show, say
• For this month, reversing range of usual practice
• Mate stifling impolite utterance of surprise, on reflection, concerning method
• Record Paul removed of method of conducting business
• 'From sleep and damnation, / -- us, good Lord!' (G. K. Chesterton)
• Coped with rural version of how to do business
• Wild leopard tangles with cur, following established method