Memo to the Attorney General from J. Edgar Hoover, Director of the FBI. Refutes statements made in J.L. DeWitt's Final Report that there was espionage activity conducted by Japanese on the West Coast immediately following Pearl Harbor. The FBI investigated all allegations, and found no evidence to support such claims.

Photocopy of a declassified memorandum from John Edgar Hoover, Director of the Federal Bureau of investigation, to L.M.C. Smith, Chief, Special Defense Unit, letting him know that Keisaburo Koyama, a Japanese alien, was apprehended.

Photocopy of a declassified letter from the National Archives written by John Edger Hoover, Director of the Federal Bureau of Investigation, to L.M.C. Smith, Chief of the Special Defense Unit. In the typed letter, Hoover references information that has been collected on Keisaburo Koyama, a resident of Portland, Oregon, and recommended that Koyama be detained in …