July 7, 9:35 PM, 1800 block of South Calumet. Reckless endangerment, weapons violation. Officers observed suspect carrying duffel bag with protruding double-sided ax. Suspect was searched, and a knife and pair of brass knuckles were discovered. Offender refused to reveal his plans for ax.

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August 2, 12:25 PM, 200 block of South Wabash. Armed robbery. Offender approached victim, demanding to know his gang affiliation. Victim declined to answer, whereupon offender produced a knife and ordered him to give up his Burger King value meal. Offender fled north on Wacker with lunch.

August 10, 3:38 AM, 1600 block of South Racine. Assault, robbery. Unidentified female maced elderly man sitting in his apartment doorway cleaning an upright bass with a kitchen knife. After a struggle, offender seized victim’s pants from countertop and fled. Garment contained victim’s wallet, no cash.