An auto accident this morning killed a young Mount Vernon woman. According to witness and police reports, 25 year old Lindsay Isham was traveling west on the Lloyd Expressway when, for unknown reasons, she lost control of her pickup truck. The truck hit a fence in the median just west of Saint Joe, then a street light pole at Lemcke. Part of the fence went through the windshield, killing Isham. The cause of the crash remains under investigation.