Diplomatic Security Service [DSS] Law and Legal Definition

The Diplomatic Security Service (DSS) is a federal law enforcement agency of the U.S. Department of Defense. The members of the DSS are federal agents required to serve overseas and domestically and are also referred to as DSS special agents. According to 22 USCS § 4823, the main functions of DSS special agents are:

1.To perform security functions;

2. To bear arms;

3.To exercise investigation;

4. To issue warrant;

5. To arrest;

DSS special agents are responsible for conducting investigations into passport and visa fraud as well as providing protection to the U.S. Secretary of State and others. The DSS has the authority to provide protection to foreign heads of state.