You were told to enter the office behind the front desk and blindfold yourself with a waiting bandana. Eventually, the door opens; several people surround you, place a bag over your already blinded head and march you out through rooms, into elevators, down countless stairs.

When your vision is restored, you are in the middle of a giant chamber, surrounded by an upper gallery full of masked faces watching you intently. Only one voice rings out, saying just this: "Complete your business here, to assure us your disruption of our affairs will be over shortly."

Who?