[2] Rover became an assistant to then-United States Attorney for the District of Columbia Peyton Gordon on September 16, 1924.
[2] During his term, he prosecuted many nationwide cases, including in the Teapot Dome scandal[1] and the conviction of Gaston Means.
While in private practice, he defended Oscar Collazo in his trial concerning the attempted assassination of President Truman.
[4] On March 16, 1953, Rover was nominated by President Dwight D. Eisenhower to become the United States Attorney for the District of Columbia again, succeeding Charles M. Irelan, who had resigned.
[1] In his second term, Rover led a controversial fight to convict more homosexual people in soliciting and assault cases.