Macon teen arrested after trying to rob convenience store with toy gun 17-year-old Javon Tyrek Blackshear was arrested and taken to the Bibb County jail where he is charged with Armed Robbery Author: 13WMAZ Staff Updated: 11:34 PM EDT April 20, 2021 MACON, Ga. — Bibb deputies arrested a teen suspected in an armed robbery at the Mercer Food Mart located at 3737 Mercer University Drive Tuesday night. According to a news release from the Bibb County Sheriff's Office, 17-year-old Javon Tyrek Blackshear was in the store trying to play a gambling machine. When a store employee asked him for identification, Blackshear pulled out a gun and demanded cash from the register. The employee then locked himself behind a Plexiglas counter, and Blackshear ran away without the money.