Warrant: Ex-student used hands to kill missing teacher

OCILLA, Ga. -- Teacher and former beauty queen Tara Grinstead vanished from her south Georgia home in 2005, leaving a mystery that had stumped investigators for nearly 12 years - until a tip led to an unexpected arrest.The Georgia Bureau of Investigation announced Thursday that a former student at Irwin County High School, where Grinstead taught history, has been charged with her murder.The suspect, 33-year-old Ryan Alexander Duke, was being held at the Irwin County jail in Ocilla, about 165 mil