After business hours in the summer of 1978, construction crews secretly entered the newly completed Citicorp Center skyscraper in Manhattan, dismantling and removing materials from the building’s upper floors. The operation took place under cover of darkness, with workers systematically stripping out interior elements from the tower’s upper levels. The unusual activity raised questions about the building’s purpose and the reasons behind the late-night modifications. Details about the project’s scope and the forces behind it remain shrouded in mystery.


EVERY EVENING IN the summer of 1978, after the office workers left Citicorp Center, the carpenters arrived. They entered the 59-story tower on Lexington Avenue at 53rd Street in midtown Manhattan and ...