'My son needs justice': A mother returns to her son's murder scene to find answers

'My son needs justice': A mother returns to her son's murder scene to find answers

Nearly nine years after her son, Robert Green, was shot and killed on a porch of a house on Plymouth Avenue, Tarcia Walker returned to Buffalo to try to find some answers.I come back here always to advertise for my son, to try to seek for justice, to pass out flyers, to try to get questions, Walker told me as she stood in front of that house.She also talked about her son. He was 24 years old when he was killed. She said he was working for the sa…