Location #1: Martin is dropped at

The Hilton Chicago, 720 South Michigan Avenue, Chicago, Illinois, United States

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Location #2: The postman leaving

1801 South Prairie Avenue, Chicago, Illinois, United States

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Location #3: The postman overhears the crime

Now at 1811 South Prairie Avenue, Chicago, Illinois, United States

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Location #4: “Old Style” bar

At 1800 South Carpenter Street, Chicago, Illinois, United States

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Location #5: Aaron is pursued

Near 18th Street Station, Chicago, Illinois, United States