Protesters set a parked limousine on fire in downtown Washington, Friday, Jan. 20, 2017, during the inauguration of President Donald Trump. (Juliet Linderman/AP Photo)
A firefighter puts out limousine on fire in a limousine during a demonstration after the inauguration of President Donald Trump, Friday, Jan. 20, 2017, in Washington. (John Minchillo/AP Photo)
A parked limousine burns during a demonstration after the inauguration of President Donald Trump, Friday, Jan. 20, 2017, in Washington. (John Minchillo/AP Photo)
A parked limousine burns during a demonstration after the inauguration of President Donald Trump, Friday, Jan. 20, 2017. (John Minchillo//AP Photo)
Demonstrators sit at the top of a limousine with the windows broken during the demonstration in downtown Washington Friday, Jan. 20, 2017. (Jose Luis Magana/AP Photo)
A protestor holds a ''Ghostbusters''-inspired sign. (Sarah Arizaga)
An Instagram user posted a video from the National Mall. (rickydaviz/Instagram)
''Police just opened up the pepper spray on the crowd at 12 and L,'' wrote Patrick Madden on Twitter. (Patrick Madden WAMU 88.5)
Photos from the protest at 12th and L St. in Washington D.C. on Friday, Feb. 20. (ABC7News/Twitter)
Mike Carter-Conneen of ABC captioned this, ''Among the protesters, many GWU students - some openly weeping. #Inauguration.'' (ABC7Mike/Twitter)
Demonstrators sit on a sidewalk attempting to block people entering a security checkpoint, Jan. 20, 2017, ahead of President-elect Donald Trump's inauguration in Washington. (Jose Luis Magana/AP Photo)
Demonstrators march near a inaugural security checkpoint entrance, Friday, Jan. 20, 2017 in Washington, ahead of President-elect Donald Trump's inauguration. (Jose Luis Magana/AP Photo)
Demonstrators march on the street near a security checkpoint inaugural entrance, Friday, Jan. 20, 2017 in Washington. (Jose Luis Magana/AP Photo)
Demonstrators chant near a security checkpoint entrance to the inauguration, Friday, Jan. 20, 2017 in Washington, ahead of President-elect Donald Trump's inauguration. (Jose Luis Magana/AP Photo)
Demonstrators sit on sidewalk attempting to block people entering a security checkpoint, Friday, Jan. 20, 2017, ahead of President-elect Donald Trump's inauguration in Washington. (Jose Luis Magana/AP Photo)
Demonstrators sit on sidewalk attempting to block people entering a security checkpoint, Friday, Jan. 20, 2017, ahead of President-elect Donald Trump's inauguration in Washington. (Jose Luis Magana/AP Photo)
Police try to remove demonstrators from attempting to block people entering a security checkpoint, Friday, Jan. 20, 2017. (Jose Luis Magana/AP Photo)
Demonstrators march on the street near a security checkpoint inaugural entrance, Friday, Jan. 20, 2017 in Washington (Jose Luis Magana/AP Photo)
Protestors gather for a march on the Capitol Building as preparations continue ahead of the presidential inauguration, Wednesday, Jan. 18, 2017, in Washington. (John Minchillo/AP)
Protestors gather for a march on the Capitol Building as preparations continue ahead of the presidential inauguration, Wednesday, Jan. 18, 2017, in Washington. (John Minchillo/AP)
A protestor yells as others gather for a march on the Capitol Building as preparations continue ahead of the presidential inauguration, Jan. 18, 2017, in Washington. (John Minchillo/AP)