ADVANCE FOR PUBLICATION ON THURSDAY, SEPT. 9, AND THEREAFTER - FILE - Rescue workers continue their search as smoke rises from the rubble of the World Trade Center, Thursday, Sept. 13, 2001, in New York. Twenty years on, the skepticism and suspicion first revealed by 9/11 conspiracy theories has metastasized, spread by the internet and nurtured by pundits and politicians like Donald Trump. One hoax after another has emerged, each more bizarre than the last: birtherism. Pizzagate. QAnon. (AP Photo/Beth A. Keiser, File)