CLAYTON, MO - APRIL 23: Michael Brown Sr. (L), Lesley McSpadden (R), parents of slain 18 year-old Michael Brown Jr. and other family members of the Michael Brown Family arrive prior to a press conference outside the St. Louis County Court Building on April 23, 2015 in Clayton, Missouri. Family members have announced a civil lawsuit over the death of Michael Brown Jr. this past August in Ferguson, Missouri. (Photo by Michael B. Thomas/Getty Images) Local Caption: Michael Brown Sr.; Lesley McSpadden