Hoover had become extensively involved in investigations. He had personally directed raids on the headquarters of alien agitators. acting in such cases under the authority granted the Department by wartime statutes. Only 3 months after the General Intelligence Division had been established. he directed the important case which led to the arrest and deportation of Emma Goldman and Alexander Berkman. Soon afterward he handled the deportation cases of the revolutionists Ludwig Martens and Gregory Weinstein. He was appointed Assistant Director of the Bureau of Investigation in 1921. By this time the functions of the Bureau were returning to their peacetime characteristics. and included the investigation of antitrust violations. bankruptcy frauds. bribery of Federal officers. frauds involving the public lands. and white slavery.
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deportation