The Patriot Threat by Steve Berry

Former Justice Department operative Cotton Malone is pulled into a dangerous, globe-spanning conspiracy when a shadowy network exploits patriotic rhetoric to justify violence and political upheaval; racing across Europe and the United States, he and a handful of allies must unravel historical clues, expose corrupt insiders, and stop a plot that threatens the nation’s institutions, forcing hard choices about loyalty, liberty, and the costs of revealing uncomfortable truths.

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