A Little Rock man is charged in the deaths of his wife and her unborn child. Thirty-four-year-old Ralph Armstrong was arrested on charges of first degree and capital murder Friday. Police say Armstrong killed 32-year-old Dashunda Armstrong and her unborn daughter. He is being held without bound at the Pulaski County Jail. Armstrong, a mother of three, was last seen February 13th. Her charred body was found inside a burned van the next day after residents in rural southeastern Pulaski County called to report a vehicle fire.