A Chatham County grand jury indicted a man Wednesday who officials believe is responsible for the murder of two Savannah teens. Savannah-Chatham police and the Southeast Regional Fugitive Task Force of the U.S. Marshals Service arrested Karonta Shamone Morrell, 37, on March 3. He is charged with the murders of Rocquan Kemon Scarver, 17, and Jonathan Lang, 18, according to Sonny Cohrs, police spokesman. Scarver was shot Dec.