Have you seen this man? He's wanted for robbing someone at a CTA station

CHICAGO - Chicago police are looking for a man who robbed someone at a CTA station while threatening the victim with a box cutter.
Police said the robber approached the victim at the Blue Line Pulaski station in West Garfield Park on Sunday, August 26, at about 2 p.m.
The robber threatened the victim with a box cutter, then stole his white Air Force One gym shoes.
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