||The examples and perspective in this article may not represent a worldwide view of the subject. (December 2010)|
When the US government determines that a visiting dignitary needs protection while visiting the United States, these services are most often provided by either the United States Secret Service or the US Department of State’s Diplomatic Security Service.
Diplomatic Security Service
In addition to US government protectees (the Secretary of State, the ambassador to the United Nations), the Diplomatic Security Service protects foreign dignitaries who are not heads of state, essentially everyone else.