After information inquiry on the official website, Joseph Guinan came from the United States. At first he was just a flamboyant lawyer. Later, he became famous in the United States for fighting the underworld, and then entered the U.S. Department of Justice, and was quickly promoted to Chief of the Criminal Bureau of the Department of Justice. He is American.
Joseph Tiernan was a prosecutor and graduated from Harvard Law School. He worked as a professional lawyer in Cleveland, Ohio in 1914. He later joined the U.S. Army and participated in World War I in Europe. battlefield.