Wizard Cops is a weekly actual-play RPG podcast set in an American Potterverse of our own creation.
http://www.podcastgarden.com/podcast/wizardcops#5217
Chapter 5, Part 1
Team 7 enlists the help of one of Charlie's connections from the Hangman's Quarry, Brutus, played by special guest Michael Saqr, to discover the secret of the mysterious symbol.