In the FT this morning I came across this
While declining to discuss specific cases, Leppard, who was commissioner of the City of London Police until 2015 and was awarded a CBE for services to policing, defended the use of deception and undercover surveillance as necessary tactics. “It’s quite lawful to deceive people if you’re doing it for the greater good,” he said . . .
The problem, of which Leppard seems wholly unaware, is who gets to decide how you define ‘greater good’ – and whose.
But then he was once a policeman . . .