Ferguson commemorates anniversary of the Michael Brown shooting (18 images)

Michael Brown Sr. (beard) leads a silent march up West Florissant Avenue, marking the one year anniversary of the shooting death of his son Michael Brown Jr., by a white Ferguson police officer that touched off weeks of violence and riots in Ferguson, Missouri on August 9, 2015. West Florissant was the scene of last summers riots and arsons. Photo by Bill Greenblatt/UPI

Hundreds gather at the site where Michael Brown Jr. was shot and killed by a Ferguson Police officer during a ceremony marking the one year anniversary that touched off weeks of violence and riots in Ferguson, Missouri on August 9, 2015. The ceremony included 4 1/2 minutes of silence, representing the 4 1/2 hours the body of Michael Brown laid in the street after being shot. Photo by Bill Greenblatt/UPI

A young girl rides in a van that leads a silent march following a ceremony marking the one year anniversary of the shooting death of Michael Brown Jr. in Ferguson, Missouri on August 9, 2015. The ceremony included 4 1/2 minutes of silence, representing the 4 1/2 hours the body of Michael Brown laid in the street after being shot. Photo by Bill Greenblatt/UPI

Michael Brown Sr. holds a crying woman during a 4 1/2 minute silent tribute to his son, Michael Brown Jr. at the site of where the son was shot and killed on the one year anniversary that touched off weeks of violence and riots in Ferguson, Missouri on August 9, 2015. The 4 1/2 minutes of silence represented the 4 1/2 hours the body of Michael Brown laid in the street after being shot. Photo by Bill Greenblatt/UPI