Hamilton was unarmed when he was shot dead by police in Milwaukee in 2014.
The seven mothers of black men, women and children will make a case for Clinton at Tuesday night's DNC.
A group brings the Black Lives Matter movement to Hollywood Blvd.
“She’s been fighting for a long time with these issues,” Eric Garner's mother said.
Christopher Manney shot Dontre Hamilton 14 times in April of last year.
A "Million Moms March" was held in Washington, D.C., on Saturday, rallying together a large crowd of mothers whose children
Manney told investigators that he found Hamilton lying on the ground in Red Arrow Park in downtown Milwaukee and that when
Black lives matter, and our justice system must become more fair and just. I hope many others concerned about these injustices will stand up to support policies and reforms that will create a fairer, safer, and more just America.
On April 30, Christopher Manney, 38, shot Hamilton 14 times. The confrontation started when workers at a Milwaukee Starbucks