Unrest Continues in Ferguson, Missouri

A group of police attempt to disperse a crowd in Ferguson, Missouri, Aug. 20, 2014.

Police arrest a man as they break up a crowd of protesters, in Ferguson, Missouri, Aug. 20, 2014.

Protester Hana Kato holds a sign naming the police officer that shot the teenager as she attends an evening rally, Tacoma, Washington, Aug. 19, 2014.

Quentin Baker, from Crystal City, Missouri participates in a protest in Ferguson, Missouri, Aug. 20, 2014.

A school bus full of children chant, "Hands up, don't shoot" as the vehicle drives past the scene where St. Louis Metropolitan Police earlier shot and killed a man wielding a knife in the St. Louis area, August 19, 2014.

Security forces detain a demonstrator during a protest against the shooting of unarmed black teen Michael Brown, in Ferguson, Missouri, Aug. 20, 2014.