A limo parked on K Street burns after a protester set it on fire near Donald Trump’s inauguration in Washington, D.C. on January 20, 2017.

A large gathering of Chicago Cubs fans celebrate outside of Wrigley Field as their team stays alive after game 5 of the World Series on October 30, 2016.

After a confrontation police use pepper spray to disperse protesters across the street from a mass arrest of black bloc protesters. Near Donald Trump’s presidential inauguration in Washington, D.C. on January 20, 2017.

A protester surrounded by cameras smashes a limousine window on K Street during an Inauguration Day protest on January 20, 2017 in Washington, D.C.

Donald Trump talks about the American Health Care Act, renegotiating trade agreements, and the border wall at his rally in Louisville, Kentucky on March 20, 2017.

A Ferguson police car burns in front of City Hall on November 26, 2014.

A protester walks around a fire in the street with a sign on fire in front of the National Press Club in Washington, D.C. on January 19, 2017.

The police line stops in the middle of K Street after they push a group of protesters back as bricks were being thrown at them on Inauguration Day January 20, 2017 in Washington, D.C.

A protester holds an upside down American flag after protesters staged a die-in on the steps of City Hall in Downtown St. Louis, MO on July 8, 2016.

Captain Ron Johnson speaking to the press on W Florissant ave. in Ferguson, MO August 16, 2014

A Prius explodes after being set on fire during a protest in the Fountain Park neighborhood of St. Louis. The protes was for Mansur Ball-Bey who was killed by police on August 19, 2015 in St. Louis, MO.

Protesters occupy the middle of West Florissant Avenue in Ferguson, MO on August 14, 2014, five days after Michael Brown was shot and killed by Ferguson police officer Darren Wilson.

Police fire tear gas at protesters after the state issued curfew had been put into effect. August 17, 2014

A police officer stares at protesters from a metro bus waiting for the state imposed curfew to start on August 17, 2014.

The Nation Guard is directing traffic from driving into flood waters in Pacific, MO on December 31, 2015.

Homes near Union, MO under water on December 30, 2015 after historic flooding swept through the state.

Volunteers line the banks of River Des Peres in South St. Louis, MO as floodwaters reach historic levels on December 30, 2015.

Protesters attempt to turn over a police car outside the Tump rally in Costa Mesa, CA on April 28, 2016.

Police in riot gear walk down the median of the street outside the Anaheim Convention Center where Donald Trump held a rally on May 25, 2016.

Mounted police move in as officers begin to make arrests during an anti Trump protest in Anaheim, CA on May 25, 2016.

Police in full riot gear move into the street and protest area outside the San Diego Convention Center when Trump protesters and supporters begin to get violent on May 27, 2016.

A protester holds up the peace sign as he walks away from police in riot gear trying to clear the area outside the San Diego Convention Center.

Protesters standing over the walkway to exit East Los Angeles College as they yell and chat at supporters leaving the Hillary Clinton rally on May 5, 2016

Hillary Clinton speaks to a crowd of supporters at her get out the vote rally in Lynwood, CA at Plaza Mexico on June 6, 2016.

Hillary Clinton speaks to a crowd of supporters at her get out the vote rally in Lynwood, CA at Plaza Mexico on June 6, 2016.

Democratic presidential candidate Bernie Sanders speaks to a crowd of his supporters for his primary campaign in Carson, CA on May 17, 2016.

Senator Bernie Sanders walks along the crowd of supporters shaking hands after his speech at the Los Angeles Memorial Coliseum on June 4, 2016.

Senator Bernie Sanders gives a speech to a crowd of thousands of supporters at the Los Angeles Memorial Coliseum with the Olympic torch lit behind him on June 4, 2016.

A man open carries a rifle in Public Square in Downtown Cleveland on the first day of the Republican National Convention.

People fill the street leading up to the Quicken Loans Arena in Cleveland, OH to watch a live broadcast of Donald Trump’s speech on the last night of the 2016 Republican National Convention.

The city of Philadelphia opened up fire hydrants on the march route to keep protesters from overheating during marches at the 2016 Democratic National Convention.

Anarchist start a small fire in the street and light an Israeli flag during protests at the 2016 Democratic National Convention in Philadelphia, PA.

An anarchists lights an American flag on fire outside the 2016 Democratic National Convention during a protest.

Police use a fire extinguisher to put out flyers set on fire by protesters at the security fence of the 2016 Democratic National Convention in Philadelphia, PA.

A four alarm fire in a vacant building at 1900 Washington Avenue in Downtown St. Louis, MO on January 18, 2016.

A four alarm fire in a vacant building at 1900 Washington Avenue in Downtown St. Louis, MO on January 18, 2016.

A protester runs towards tear gas to throw back at police on August 19, 2015 in St. Louis, MO.

A man leads chants at the “United We Fight” march on the weekend of the one year anniversary of Michael Brown’s death on August 8, 2015 in the Shaw neighborhood of St. Louis, MO.