 He was then flown to the United States to stand trial, arriving in Massachusetts on December 14, 1946.On July 26, 1943, Best along with Fred W. Kaltenbach, Douglas Chandler, Edward Delaney, Constance Drexel, Jane Anderson, Max Otto Koischwitz and Ezra Pound had been indicted "in absentia" by a District of Columbia grand jury on charges of treason.Best was arraigned on January 20, 1947 and stood trial at the Boston Federal District Court on March 29, 1948.