(Hillsboro, OR)  --  Authorities say a Beaverton man accused of murder in Aloha is now also facing charges of child rape.  A grand jury has added to the indictment of Roger Emir Gastelum-Medina, tacking on charges of delivering methamphetamine, third-degree rape, and second-degree sexual abuse.  Gastelum-Medina is accused of having sex with a minor between March and June of this year.  He's facing murder and weapons charges that stem from a June shooting near a park in Aloha.