Men and women shrouded by an aura of mystery as they have to remain anonymous for their work. And yet they are customers like any other: people who book a table at a restaurant or a room at a hotel, and who, of course, pay the bill when they're done. To unveil some information on these very discreet customers, we asked one of them a few questions.

Watch this exclusive interview to see what the inspector has to say in this candid, one-of-a-kind interview.