A Lancaster County mother and father are charged with raping a child for years, more than a decade ago, starting at age 4, police said in court documents. John Dehart, 56, of Camano Island, Washington, and Sarah Miller, 34, of Nanticoke, Luzerne County, took their clothing off and forced the child to perform sex acts with Miller, according to an affidavit of probable cause filed by East Hempfield Township police. The child was related to the couple.