Protecting the US President

Protecting the US President
U.S. President Barack Obama (L) walks with Secret Service agents as he departs Air Force One upon arrival at Pittsburgh International Airport in Coraopolis, Pennsylvania October 11, 2011. (REUTERS)

The United States' Secret Service, responsible for the protection of the president of the United States of America, was established in 1865. The agency is the country's federal law enforcement agency and is also responsible for the protection of various national and foreign leaders, along with criminal investigations. A look at the US' Secret Service.