List of Internment and Detention Camps -- Temporary Detention Centers – Justice Department Internment Camps: 27 U.S. Dept. of Justice Camps...were used to incarcerate 2,260 “dangerous persons” of Japanese ancestry taken from 12 Latin American countries by the US State and Justice Departments. App. 1,800 were Japanese Peruvians. The U.S. government wanted them as bargaining chips for potential hostage exchanges with Japan, and actually did use. After the war, 1,400 were prevented from returning to their former country, Peru. Over 900 Japanese Peruvians were deported to Japan. 300 fought it in the courts and were allowed to settle in Seabrook, NJ. Efforts to bring justice to the Japanese Peruvians are still active (date?).