"The 2009 Annual Report of the United States Secret Service provides an opportunity to recognize and reflect on this past year's accomplishments, some of which were truly historic in nature. This is highlighted by the particular emphasis this report places on the 56th Presidential Inauguration. The Inauguration of President Barack Obama was the largest and most complex event this agency has undertaken. Due to our long-standing ability to partner and collaborate with other federal, state and local law enforcement, at day's end, the nation enjoyed a safe and secure event without a single Inaugural-related arrest."
United States Secret Service: http://www.secretservice.gov/