"As you looked into his eyes you could see the surprise, you could see the shock, and ...you could actually see the fear," a federal agent said.
NBC News takes a glance at what both leaders and ordinary citizens think about the 45th president.
Barack Obama, who will continue to live in Washington, is leaving town with his family after the inauguration for a vacation in Palm Springs, Californ
NBC's Lester Holt and Chuck Todd discuss the 'awkward' nature in which Donald Trump indirectly pointed a finger at past administrations
At least eight people who breed pet rats have been infected with an unusual and sometimes deadly virus called Seoul virus, the CDC said.