For 120 years, the U.S. Secret Service has safeguarded presidential inaugurations. The 60th inauguration marked the largest National Special Security Event in U.S. history, showcasing extensive planning,

More than 25,000 law enforcement officers will descend on Washington, DC, and roughly 30 miles of fencing have been erected to prepare for the special national security event on Jan. 20.

Officials held a press conference in D.C. to provide updates on the security plans for Donald Trump's Presidential Inauguration.