Kris Nagel captures chaotic social demonstrations with photojournalist and professor Mark Mckenna
During speeches given at the Multnomah County Courthouse on the night of July 29, demonstrators carried signs signifying their investment. Pictured here, an unnamed protester carries a sign saying, “Black lives matter.” | Photo by Kris Nagel 
On the north side of the Hatfield Federal Courthouse on the night of July 28, an unnamed protestor broke from the crowd to sit in front of a line of police, sitting cross-legged behind a sign. | Photo by Kris Nagel 
During speeches given at the Multnomah County Courthouse on the night of July 29, demonstrators carried signs signifying their investment. Pictured here, two unnamed demonstrators in scrubs carrying signs saying, “No justice; no peace; no racist police; gestapo GTFO,” (left) and “I uphold my oath to first do no harm, what of you oath to serve and protect?” (right.) | Photo by Kris Nagel 
Law enforcement began using crowd-control agents early in the night of July 29. They fired canisters of tear gas, shot pepper balls, and threw flash bangs. Many demonstrators attempted to clear the area of tear gas by throwing the canisters back. | Photo by Kris Nagel 
A line of law enforcement officers forms near the Mark O. Hatfield US Courthouse on the night of July 29 in Portland, Oregon. Plumes of tear gas linger in the air from canisters fired into crowds shortly before this image was taken. | Photo by Kris Nagel 
Each night in Portland, speakers address the crowd from the steps of the Multnomah County Courthouse. Pictured here is a protestor telling the crowd about law enforcement firing crowd control agents at the protesters and how several weeks prior he had be struck in the head, hospitalizing him. He carries with him a gas mask in a green bag to use when law enforcement begins crowd-dispersement measures. | Photo by Kris Nagel 
As the police began firing teargas into crowds of protesters on July 28 in Portland, Oregon part of the “Wall of Moms” were caught in a thick cloud of gas. Only using common painter’s respirators for protection against the irritant, the moms soon broke up and fled away from the gas. | Photo by Kris Nagel