FBI Office in Illinois
Explore all the Federal Bureau of Investigation(FBI) and its field offices, and resident agencies in Illinois to get information on police activities and federal law enforcement.
Choose Your County
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Champaign County
1 Office
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Cook County
5 Offices
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DuPage County
1 Office
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Effingham County
1 Office
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Peoria County
1 Office
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Rock Island County
1 Office
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Sangamon County
2 Offices
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Williamson County
1 Office
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Winnebago County
1 Office
Law Enforcement & Military Offices in Illinois
Browse by City
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Chicago
3
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Springfield
2
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Champaign
1
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Effingham
1
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Marion
1
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Moline
1
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Naperville
1
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Orland Park
1
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Peoria
1
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Rockford
1
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Rolling Meadows
1