Alease Davis. Mother of Rashaun Stephany, killed by  gun violence on June 8, 2012 in Chicago, Illinois.

Alease Davis. Mother of Rashaun Stephany, killed by  gun violence on June 8, 2012 in Chicago, Illinois.

 Donna Hall. Mother of Marshall Fields-Hall, 21, killed by  gun violence on January 18, 2013 in Chicago, Illinois.

Donna Hall. Mother of Marshall Fields-Hall, 21, killed by  gun violence on January 18, 2013 in Chicago, Illinois.

 Carolyn Murray. Mother of Justin Murray, 19, killed by gun violence on November  29, 2012 in Chicago, Illinois.

Carolyn Murray. Mother of Justin Murray, 19, killed by gun violence on November  29, 2012 in Chicago, Illinois.

 Christina Campbell, mother of Julius Campbell, a 14-year-old boy who was found dead in the lagoon at Marquette Park, April 12, 2013

Christina Campbell, mother of Julius Campbell, a 14-year-old boy who was found dead in the lagoon at Marquette Park, April 12, 2013

 Ashake Banks. Mother of Heaven Sutton, 7, killed by gun violence on June 27, 2012 in Chicago, Illinois.

Ashake Banks. Mother of Heaven Sutton, 7, killed by gun violence on June 27, 2012 in Chicago, Illinois.

 Tarinda Henderson. Mother of Eddie Murphy, 21, killed by  gun violence on October 15, 2013 in Chicago, Illinois.

Tarinda Henderson. Mother of Eddie Murphy, 21, killed by  gun violence on October 15, 2013 in Chicago, Illinois.

 Tracy Smart. Mother of Byrant Smart, 21 killed by gun violence on November 11, 2008 in Chicago, Illinois.

Tracy Smart. Mother of Byrant Smart, 21 killed by gun violence on November 11, 2008 in Chicago, Illinois.