as spousal or child abuse by U.S. government personnel assigned to the embassy. This is because the host country will not investigate or prosecute diplomats, who are considered to have immunity from their laws. DSS also conducts tens of thousands of background investigations per year – not just for the Department of State, but for other federal agencies as well. In recent years, DSS has expanded its overseas investigations program with ARSO-I's (Assistant Regional Security Officer-Investigators), also known as "Overseas Criminal Investigators." These agents are given special training in consular functions and are commissioned consular officers. However, they spend a large amount of their time working with the fraud units in consular sections, investigating visa and passport fraud, as well as crimes that have a nexus to those documents, including terrorism, organized crime, trafficking in persons, and narcotics violations. The ARSO-I's may work alien smuggling and human trafficking investigations alongside resident or regional ICE- Homeland Security Investigations (HSI) Special Agents. Attaché who typically has jurisdictional primacy in these arenas. At the U.S. border, ARSO-I's may work alien smuggling, human trafficking, and passport and visa fraud cases with U.S. Customs and Border Protection (CBP) and HSI. In addition, ARSO-I's also have responsibilities outside of their respective Consular assignments for mission security. Counterintelligence The Diplomatic Security Service Office of Investigations and Counterintelligence (DS/ICI/CI) conducts a robust counterintelligence program designed to deter, detect, and neutralize the efforts of foreign intelligence services targeting Department of State personnel, facilities, and diplomatic missions worldwide. The office's counterintelligence division conducts aggressive counterintelligence inquires and counterespionage investigations with other U.S. government agencies. Counterespionage investigations are conducted in coordination with the FBI in accordance with their legal mandates. The division conducts numerous counterintelligence and security awareness training programs for all U.S. Government personnel requesting or having access to sensitive Department of State facilities and information. All training programs enhance the understanding of both foreign intelligence and espionage threats and countermeasures, and educate employees on the foreign intelligence environment. In addition, the office relies on a cadre of security engineers to deter, detect, and neutralize attempts by foreign intelligence services to technically penetrate U.S. office buildings and residences. These efforts range from detecting a simple listening device in the wall to countering the most sophisticated electronic eavesdropping devices and systems. On June 4, 2009, DSS and the FBI arrested former Department of State employee Walter Kendall Myers on charges of