Trayvon Martin 's father speaks at a Capitol Hill event run by members of Congress . The rally was organized to call for the removal of Florida's The father says his family wants `` to help other families from going through '' what they did .
Trayvon Martin 's father speaks at a Capitol Hill event run by members of Congress . Tracy Martin says he wo n't `` give up my fight for '' his son , who he says was `` demonized '' The father says his family wants `` to help other families from going through '' what they did .