BEAUMONT — Former Harris County prosecutor and leader of the Cold Justice team that works on unsolved homicide cases televised on Oxygen Kelly Siegler earned a new title recently — Crime Stopper of the Year. Siegler brought attention to three local, prominent cold cases including the Kimberly Langwell murder. Her efforts assisted Beaumont Police Department in solving the 24-year-old cold case, officials with Crime stoppers of Southeast Texas sai…