Chicago

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Author
Jonathan Levy
Description
Each record in this dataset shows information about an arrest executed by the Chicago Police Department (CPD). Source data comes from the CPD Automated Arrest application. This electronic application is part of the CPD CLEAR (Citizen Law Enforcement Analysis and Reporting) system, and is used to process arrests Department-wide. A more-detailed version of this dataset is available to media by request. To make a request, please email <a href="mailto:dataportal@cityofchicago.org?subject=Arrests Access Request">dataportal@cityofchicago.org</a> with the subject line: <b>Arrests Access Request</b>. Access will require an account on this site, which you may create at https://data.cityofchicago.org/signup. New data fields may be added to this public dataset in the future. Requests for individual arrest reports or any other related data other than access to the more-detailed dataset should be directed to <a href="https://home.chicagopolice.org/services/adult-arrest-search/">CPD</a>, through contact information on that site or a <a href="http://www.chicago.gov/foia">Freedom of Information Act (FOIA)</a> request. The data is limited to adult arrests, defined as any arrest where the arrestee was 18 years of age or older on the date of arrest. The data excludes arrest records expunged by CPD pursuant to the Illinois Criminal Identification Act (20 ILCS 2630/5.2). Department members use charges that appear in Illinois Compiled Statutes or Municipal Code of Chicago. Arrestees may be charged with multiple offenses from these sources. Each record in the dataset includes up to four charges, ordered by severity and with CHARGE1 as the most severe charge. Severity is defined based on charge class and charge type, criteria that are routinely used by Illinois court systems to determine penalties for conviction. In case of a tie, charges are presented in the order that the arresting officer listed the charges on the arrest report. By policy, Department members are provided general instructions to emphasize seriousness of the offense when ordering charges on an arrest report. Each record has an additional set of columns where a charge characteristic (statute, description, type, or class) for all four charges, or fewer if there were not four charges, is concatenated with the | character. These columns can be used with the Filter function's "Contains" operator to find all records where a value appears, without having to search four separate columns. Users interested in learning more about CPD arrest processes can review current directives, using the CPD Automated Directives system (http://directives.chicagopolice.org/directives/). Relevant directives include: • Special Order S06-01-11 – CLEAR Automated Arrest System: describes the application used by Department members to enter arrest data. • Special Order S06-01-04 – Arrestee Identification Process: describes processes related to obtaining and using CB numbers. • Special Order S09-03-04 – Assignment and Processing of Records Division Numbers: describes processes related to obtaining and using RD numbers. • Special Order 06-01 – Processing Persons Under Department Control: describes required tasks associated with arrestee processing, include the requirement that Department members order charges based on severity.
Category
Public Safety
Tags
arrests, crime, police
Rating
Current value: 0 out of 5
Data Provided By
Chicago Police Department
Source Link
https://home.chicagopolice.org
License
See Terms of Use
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Size
  • 500x425

  • 760x646

  • 950x808

Custom Size

425x425 is the minimum size

The Socrata Open Data API (SODA) provides programmatic access to this dataset including the ability to filter, query, and aggregate data. For more more information, view the API docs for this dataset or visit our developer portal

API Endpoint:

Field Names:

CB_NO
cb_no
CASE NUMBER
case_number
ARREST DATE
arrest_date
RACE
race
CHARGE 1 STATUTE
charge_1_statute
CHARGE 1 DESCRIPTION
charge_1_description
CHARGE 1 TYPE
charge_1_type
CHARGE 1 CLASS
charge_1_class
CHARGE 2 STATUTE
charge_2_statute
CHARGE 2 DESCRIPTION
charge_2_description
CHARGE 2 TYPE
charge_2_type
CHARGE 2 CLASS
charge_2_class
CHARGE 3 STATUTE
charge_3_statute
CHARGE 3 DESCRIPTION
charge_3_description
CHARGE 3 TYPE
charge_3_type
CHARGE 3 CLASS
charge_3_class
CHARGE 4 STATUTE
charge_4_statute
CHARGE 4 DESCRIPTION
charge_4_description
CHARGE 4 TYPE
charge_4_type
CHARGE 4 CLASS
charge_4_class
CHARGES STATUTE
charges_statute
CHARGES DESCRIPTION
charges_description
CHARGES TYPE
charges_type
CHARGES CLASS
charges_class
Boundaries - ZIP Codes
:@computed_region_rpca_8um6
Community Areas
:@computed_region_vrxf_vc4k
Zip Codes
:@computed_region_6mkv_f3dw
Census Tracts
:@computed_region_bdys_3d7i
Wards
:@computed_region_43wa_7qmu

Use OData to open the dataset in tools like Excel or Tableau. This provides a direct connection to the data that can be refreshed on-demand within the connected application.

Socrata OData documentation

Tableau users should select the OData v2 endpoint option.

OData V4 Endpoint:

OData V2 Endpoint:

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