A man accused of several counts of perjury in the disappearance of Crystal Rogers took a guilty plea to amended charges, according to the Kentucky Standard.The newspaper, which serves Nelson County, reported that Danny Singleton pleaded guilty Friday to lessor charges of false swearing.Rogers, a mother of five, was last seen a year ago.Singleton is a longtime friend of Brooks Houck, who has been named as a suspect in his girlfriend's disappearance.