Rat Fink
Vernacular - Wikipedia
https://en.wikipedia.org/wiki/VernacularOrganized crime - Wikipedia
https://en.wikipedia.org/wiki/Organized_crimefink - Wiktionary
https://en.wiktionary.org/wiki/finkEd Roth's Rat Fink - The Official Site of Ed Roth and Rat Fink
http://www.ratfink.com/