A mass march on Chicago's Magnificent Mile.
“We will not stop until the powers that be are held accountable for their faults," protester Marseil Jackson said.
Officer Jason Van Dyke fatally shot 17-year-old Laquan McDonald 16 times. Thirteen months later, he was charged.
“We think that 400 days to get a decision to actually get justice is too long. We know that justice delayed is justice denied," protester Byron Sigcho said.
Cook Country State's Attorney Anita Alvarez defended the timing.
“These cases, unlike most cases, require a meticulous examination that could seem to the passive observer to be taking too long," Alvarez said.
Protesters allege a cover-up.
“The city, from what we can tell, covered up basically a murder ... You’re talking about a lot of people that basically tried to keep a lid on something for 13, 14 months," protester Dion McGill said.
Some blame a corrupt system.
“The city has a history of corruption, and the situation right now is, like I said, a boiling point, you know?” protester Javier Ruiz said.
"There’s so much corruption in the system. And there’s so little being done. I have my concerns, not only for myself but for the people I love who are in the city," protester Erwin Ford said.