A 5-year-old boy in Lindenhurst was run over and killed Sunday by his mother.Police say it happened around 8:30 p.m. on Riviera Parkway. Officials say Christine Schilling moved her minivan and then realized her son, Jacob Schilling, was underneath. He was taken to Good Samaritan Hospital, but doctors were not able to save him.Neighbors told News 12 Long Island that this isn't the first tragedy for the family. They say the family was living in a trailer because their home had burned down.Police are calling the death an accident and do not expect to file any charges against the mother.