To capture the authenticity of the city, the director sometimes used a ""hidden camera"" in his on-location shoots in New York.Just ashes and car parts.")While Dr.Challis and Ellie were making love in their room, Marge Guttman was taking a closer look at one of the poorly-made mask pieces - a trademarked Silver Shamrock button with an embedded computer chip that had fallen off one of the masks.From high above, the camera tracks the movement of he doomed pair in the shiny car through the squalid-looking town.However, the Keymaker was presently imprisoned in the chateau of a "dangerous," power-hungry Frenchman-like program called the Merovingian.