Police wearing riot gear try to disperse a crowd Monday, Aug. 11, 2014, in Ferguson, Mo. The FBI opened an investigation Monday into the death of 18-year-old Michael Brown, who police said was shot multiple times Saturday after being confronted by an officer in Ferguson. Authorities in Ferguson used tear gas and rubber bullets to try to disperse a large crowd Monday night that had gathered at the site of a burned-out convenience store damaged a night earlier, when many businesses in the area were looted. (AP Photo/Jeff Roberson)