Twenty-five years after the September 11 attacks claimed nearly 3,000 lives, the conspiracy theories born from that trauma have not receded into the margins of American life — they have migrated to its center. What was once the province of isolated online communities has become a political instrument wielded by figures of enormous influence, from former presidents to prime-time broadcasters. The erosion of institutional trust, accelerated by documented government deception and the architecture of social media, created the conditions for this transformation. The deeper question now is not wheth