In Bad Times at the El Royale , the FBI is conducting illegal surveillance in a hotel room .
Upon checking into the honeymoon suite , Sullivan ( in reality an FBI agent named Dwight Broadbeck , sent to investigate the hotel and remove evidence of their operations ) discovers a passageway leading into a corridor looking onto one-way mirrors in each of the hotel 's rooms , as well as a 16mm camera setup .
Bad Times at the El Royale