It is not thought a single conviction has arisen from a suspect being stopped and searched on the street on suspicion of terrorism, although the police maintain the practice still disrupts terrorist activity. (politics.co.uk)
Yet, this same lobby shrieked loudest, almost to the point of manic celebration, that the Buhari government, to echo their preferred cliché, could boast «no single conviction.» (nigeriapoliticsonline.com)
And I find it difficult to believe the bare assertion that the ballistics database has not enabled one single conviction. (nystateofpolitics.com)