Part 2 of our Pearl Harbor series opens in the days after the attack, when a different kind of shockwave rolled across the American mainland—one made of fear, suspicion, and the haunting belief that the next strike might come from within. Japanese immigrants and Japanese American citizens, many of whom had lived in the U.S. for generations, suddenly became targets of rumor and paranoia. Newspapers printed tales of coded signals flashing from fishing boats, imagined spy rings in farming communities, and sabotage plots that never occurred. In this atmosphere, fear didn’t just spread—it multiplied.

That fear soon took legal shape. In February 1942, President Roosevelt signed Executive Order 9066, forcing more than 120,000 people of Japanese ancestry—most of them American citizens—to leave their homes and report to inland camps surrounded by barbed wire. Families packed what they could carry and stepped into a world built on suspicion, not evidence.

But the heart of this episode lies in the question that refuses to die: did the U.S. government know more about the coming attack than it ever admitted? We step into the murky realm of broken diplomatic codes, delayed warnings, and the infamous Henry Stimson diary entry about “maneuvering Japan into firing the first shot.” We examine the intelligence intercepts that suggested war was imminent, the last-minute messages that reached Hawaii too late, and the political and strategic pressures building inside Washington in 1941.

Was it conspiracy? Was it incompetence? Or was it simply the fog and friction of a world sliding toward global war?

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