. >> reporter: a year liser mother yolandap pinkney had hel on a difficult day. >> they told meal tp had h decorated his cross. >> reporter: an arlington county fire fighter and local artist heardhat happened to taquan. jahlil personal morial for him. >>he d iidn't have to. >>eporter: hde onha s oft we t a single life bec we're so used to seeing things tragic like this happen on the but it's a family that that's affected. it's a mother that's fe. it's sing lungss sdf tha us. >> reporter: in this same place one year ago, there was another stranger. >> i'm mac,o i'm here t help you. >> reporte stanley mchheard theaney gunsh his side. >> i told him that god loved him not long met the man who tried to save her son's life. >> so good to finlyoreete mt she knows him mr. mack and he was with her again today. >> mr. mack was out here earlier when i came out with a few friends from suitland high school to remember him and release some balloons. he seen the balloons and he ndlked down to us just gave us hugs and everything, just like the first day that we seen him. and i just meant a lot that