YAKIMA, Wash. (AP) — Prosecutors have charged a 33-year-old man with aggravated first-degree murder in the deaths of his mother and sister-in-law. The Yakima Herald-Republic reports Edward Robinson of Wapato is accused of killing Maria Martinez and Shante Barney on April 9 in the home the women shared. Yakima County Coroner Jim Curtice says both women were stabbed to death. Court documents show Martinez was Robinson’s mother, and Barney was his sister-in-law. Robinson is being held in the Yakima County jail in lieu of $1 million bail. It wasn’t immediately known if Robinson has a lawyer to comment for him.