Sergeant Duffy shook his bullet head. “It’s me who’s thankin’ you, sor. This is big business in our line. It’s the chanct I’ve been waitin’ more than five years for. It will mean my lieutenancy, Mister Bolton. And just remember, sor, if any o’ thim dumb motorcycle cops hold ye up fer speedin’ any time, tell ’em you’re a friend o’ Duffy’s! If they don’t let ye go, I’ll break ’em.”