Victims of Spain's dictatorship fight a state-imposed amnesia of crimes against humanity.

In the Chicago suburb where journalist Assia Boundaoui grew up, most residents in her Muslim immigrant neighborhood believe they are under surveillance. Assia investigates and uncovers FBI documents about "Operation Vulgar Betrayal," one of the largest pre-9/11 counterterrorism probes conducted on domestic soil, right in Assia's hometown.