The probe marks at least the second investigation involving Shelvin. In 2001, she pleaded guilty to a felony, illegally acting as a voter agent. She had filled out voters registration cards using parents' names and Social Security numbers as a part of a social legislation class she was taking at Texas Southern University. She paid a $500 fine and was fired from the district Oct. 5, 2001. Shelvin appealed her termination and was reinstated Oct. 11, 2001, because the charge did not endanger children, according to a letter from Chief Business Officer Cathy Mincberg. With that behind her, Shelvin said...