Lesley McSpadden, mother of slain 18-year-old Michael Brown, speaks during a press conference at Jennings Mason Temple Church of God In Christ, on August 11, 2014, in Jennings, Missouri. | Source: Michael B. Thomas / Getty
A decade ago, Michael Brown Jr., an unarmed Black 18-year-old, was shot and killed by a white police officer in Ferguson, Missouri, a suburb of St. Louis.
The fatal incident began when the officer, Darren Wilson, saw Brown and a friend walking down the middle of a street.