CPD released a surveillance image of the suspect Tuesday.
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Police said the suspect was on the platform of the Grand Red Line station on North State Street on Feb. 19, when he approached a 19-year-old man, told him he had a gun, and threatening him, and then demanded his property. The suspect then fled the scene.
READ MORE: Police release images of 5 suspects in robbery, attack on CTA Red Line platform
If you have any information about the man in the surveillance photo, contact Chicago police.
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