In Detroit, a case was never only an address. Streets, precinct lines, factories, rail corridors, the river and the distance between neighborhoods shaped how police moved through the city.

READ THE CITY BEFORE THE CASE
Grand avenues moved traffic quickly; residential grids, alleys and commercial strips changed visibility, pursuit and access.
EXPLORE THE STREETS →A precinct was both a building and a territory. McGraw / Sixth Precinct anchors Ralph's earliest police geography.
ENTER McGRAW →Factories and rail infrastructure generated their own rhythms of workers, freight, traffic and nighttime movement.
DETROIT WORKS →The Detroit River was transportation, industry and border geography at the same time.
THE DETROIT RIVER →Downtown compressed police administration, courts, newspapers, business and transportation into a small area.
OPEN THE MAP ROOM →Detroit's size matters. A location on one side of the city could mean a very different street pattern, industry mix and police response.
EXPLORE NEIGHBORHOODS →Case Geography deliberately stops short of publishing a lookup-ready map of Book One investigations. The website explains Detroit; the book keeps the investigative story.
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