William M. Ingram, 49, of Northampton, who admitted to Washington, D.C., police to killing his mother last weekend, was extradited to Bucks County Thursday. He was arraigned on multiple charges Thursday night in District Judge Brian Marriott’s court in Northampton.

The Bucks County District Attorney’s Office and the Northampton Township Police Department are continuing their investigation into the killing of an 82-year-old woman found buried in a pile of furniture, clothing, towels, linens and other household items inside a condominium in the Holland section of Northampton Township.