DECATUR, Ala. (WAFF) - A pedestrian was hit and killed in the parking lot of the Walmart Neighborhood Market on 6th Avenue in Decatur. Irene Cardenas-Martinez with the Decatur Police Department says officers responded to the incident at approximately 9 p.m. on Aug. 25. At the scene, officers arrested 33-year-old Preston Nelson on the charge of murder, according to online court documents. According to the Decatur Police, Nelson parked in a handicap spot near the store’s entrance and waited until Sherry Sain came out. Once Sain was behind Nelson’s car he reversed, pinning Sain between his Mercury Grand Marquis LS...