Fabre d'Églantine was a member the gang, and participated in a fake auction they held for a dilapidated church. However, the gendarmeJean-Baptiste Dossonville infiltrated the auction with Arno Dorian, and outbid d'Églantine. After Dossonville accused the auctioneer of corruption, the former was attacked by the guards. With Arno's help, Dossonville persevered and ended the auction.
Though such syndicates existed, they were named bande noire by the Romantic writers.