Authorities later arrested Michael Leon Thornton, 27, on charges of two counts aggravated assault and one count armed robbery.

Michael Leon Thornton (Credit: Cobb County Sheriff's Office)

Alexander credited his training with the Cobb County Police Explorer Program, which trains high school students on general police work that includes rendering first aid.

“The Cobb County Police Department and our partners at Marietta Police Department thank Corporal Alexander for his quick thinking and would like to recognize him for putting to use the knowledge he has gained from the Cobb County Police Explorer program,” Delk said. “His actions more than exemplify our commitment and dedication to public safety.”

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