Postal Inspection Service (USPIS) had the best laboratory, the director of the new agency was recruited there. The assumption is that the name "Office of the Chief Special Agent", which was sometimes used in 1916, and to this day by various information portals to include the Department of State's website, to downplay the bureau's original mission. In 1918, the United States Congress passed legislation requiring passports for Americans traveling abroad and visas for aliens wishing to enter the United States. Shortly thereafter, the Chief Special Agent's office began investigating passport and visa fraud. Special agents also protected distinguished visitors to the United States. During World War I, the Chief Special Agent's office was given the responsibility for interning and exchanging diplomatic officials of enemy powers and assisting in screening people repatriated from enemy-controlled areas. The Chief Special Agent began reporting his normal activities to the Assistant Secretary for Administration. However, he still retained his title of Special Assistant to the Secretary and reported directly to the Secretary on sensitive matters. With the help of the U.S. Postal Inspection Service (USPIS), security at State expanded and increased the depth of personnel investigations. The Chief Special Agent's office was used not only for security work within the State Department but also in several aspects of immigration control and in the control of crime on the high seas. In the 1930s, it became clear that there were major passport fraud activities worldwide involving both Communists and Nazis. The Chief Special Agent's office, working as the investigative and identification arm of the Passport Office, successfully exposed several of these subversive operations. Office of Security (S.Y.) With the coming of World War II in the minds of the political leaders of America, they decided it was time to develop a separate branch of the Bureau of Diplomatic Security. This new branch would be referred to as the Office of Security, or simply the S.Y. One major addition to the Bureau of Diplomatic Society stemming from the addition of the Office of Security was the development of security staffs on a regional level. The Office of Security was also responsible for starting the use of overseas agents carrying out various tasks to protect the security of the United States. As the threat of terrorist acts against America grew, the SY expanded its role as a part of the United States Department of State. World War II