Green’s Dictionary of Slang

the vice squad.

1958		T. Capote Breakfast at Tiffany’s 33: I get the jock told Drop It if he don’t want conversation with the vice boys: see, the kid’s fifteen.
1963		J. Rechy City of Night 98: ‘An you know who she was dancing with?’ [...] ‘The Vice, my dear.’.
1979		J. Rechy Rushes (1981) 116: The perennial thought that one of the ‘cute boys’ might turn out to be ‘vice.’.
1981		J. Ellroy Brown’s Requiem 11: Our association dates back to my days with Hollywood Vice.
1997		C. Newland Scholar 3: Your pub’ll get a visit from the Vice boys.