The parents of Trayvon Martin are asking people to mark the one year anniversary of the teenager's death by wearing hoodies during a candlelight vigil tonight. Martin,17 was shot and killed while walking home unarmed on February 26 2012  and tonight Trayvon's parents Sybrina Fulton and Tracy Martin and  their lawyers will be hosting a Million Hoodies Candelight Vigil in New York's Union Square. All supporters are asked to join them"for a moment of silence in honor of Trayvon Martin and  all victims of senseless gun violence"