COPS SAY an Oklahoma teen whose dismembered body was found stuffed in a duffel bag had been receiving threatening text messages from a man she knew. Carina B. Saunders, 19, had not been seen since Sept. 28. It is not known how she died but the case is being treated as a homicide. A cousin, Kathryn Jo Bloodworth, 22, said the pretty teen stayed at her home in Oklahoma City for about a week, leaving Sept. 28. Bloodworth said she asked Saunders to go because she had been getting threatening text messages. Her cousin said Carina left with a man, 40, with gray hair in a Chevy Blazer on











