A 17-year-old girl, Susan Marie Mize, and her 16-year-old accomplice were arrested and charged with aggravated robbery following the alleged robbery and carjacking of a mutual friend on Friday, February 16 in Montgomery County. A second accomplice, a 15-year-old male juvenile, has been identified and has a warrant out for his arrest. Detectives investigating the matter allege that Mize and her two juvenile co-conspirators concocted a carjacking plot in order to rob Mize's friend, identified as Preston Barry.