FULL TITLE: Mother of gang member who killed 17-year-old transgender woman goes on rant saying victim was living in sin as a homosexual The mother of a gang member who confessed to brutally murdering a transgender teenage girl in a hate crime has claimed her son's victim was 'living in sin'. Kelly Wilkins, from Mobile, Alabama, is the mother of 29-year-old Josh Brandon Vallum - who pleaded guilty to a hate crime on Wednesday over the killing of 17-year-old Mercedes Williamson. Williamson was found dead and partially buried in a field on June 3, 2015. Vallum confessed to the killing,...