Just as the White House assures the public that the Florida attack is an isolated case, another anthrax attack strikes—this time in the heart of Manhattan. Major TV news outlets are hit, and one reporter finds herself at the center of the story she is covering.

Panic grips Florida as two more newspaper workers fall ill with anthrax. The FBI uncovers chilling connections—a 9/11 hijacker with possible anthrax exposure, a disturbing motive, and a direct link to the targeted newsroom. Is this the next wave of terror?

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Right after 9/11, the FBI and Special Agent Scott Decker scramble to stop a second-wave attack using a deadly toxin. When a Florida photo editor is poisoned by a rare bacteria, agents uncover a possible al-Qaeda plot to spread anthrax from the air. But are they already too late?

In the wake of 9/11, anthrax-laced letters unleashed a new wave of terror across the nation. But who was behind the attacks—and why has America nearly forgotten this story?

As government buildings shut down and law enforcement scrambled to track the perpetrator, the FBI launched one of the largest and most complex investigations in its history. Untangling a web of scientific evidence and false leads, the case took unexpected turns with lasting consequences.

From Wolf Entertainment, USG Audio, Dig Studios and CBC, this eight-part series grants unprecedented access to declassified materials and firsthand accounts, revealing how the anthrax attacks reshaped America—and the hidden impact that still lingers today.