It started as an unusual pattern behind the counter. Now, investigators say what unfolded inside a Texas fast-food restaurant quickly turned into a full-blown case tied to a familiar menu item. And, at the center is a not-so-familiar scheme involving former Chick-fil-A employee Keyshun Jones.RELATED: Chick-fil-A Staff Go Viral - Then Lose Their Jobs | TSR InvestigatesFired But Allegedly Still Spinning Block To Run Refund SchemeAccording to authorities, Jones was fired from a Grapevine location outside Dallas last November, but allegedly continued slipping back into the restaurant afterward.