Policy Text
Policy
800Garden Grove Police Department
Policy Manual
Copyright Lexipol, LLC 2022/05/20, All Rights Reserved.
Published with permission by Garden Grove Police
DepartmentCrime Analysis - 1Crime Analysis
800.1 PURPOSE AND SCOPE
Crime analysis should provide currently useful information to aid operational personnel in meeting
their tactical crime control and prevention objectives by identifying and analyzing methods of
operation of individual criminals, providing crime pattern recognition, and providing analysis of data
from field interrogations and arrests. Crime analysis can be useful to the Department's long range
planning efforts by providing estimates of future crime trends and assisting in the identification of
enforcement priorities. This component shall be established within, and form an integral part of,
the Support Services Bureau.
800.2 DATA SOURCES
Crime analysis data is extracted from many sources including, but not limited to:
•Crime reports
•Field Interview cards
•Parole and Probation records
•Computer Aided Dispatch data
800.3 CRIME ANALYSIS FACTORS
The following minimum criteria should be used in collecting data for Crime Analysis:
•Frequency by type of crime
•Geographic factors
•Temporal factors
•Victim and target descriptors
•Suspect descriptors
•Suspect vehicle descriptors
•Modus operandi factors
•Physical evidence information
In order that it be effectively utilized, it is recognized that scientific crime analysis should:
•Identify similarities among different offenses and reveal commonalities and patterns
in the characteristics of current crime problems;
•Assist in the screening and ordering of suspects;
•Aid in the assembling and ordering of specific crimes that may involve an offender
already in custody.
Garden Grove Police Department
Policy Manual
Crime Analysis
Copyright Lexipol, LLC 2022/05/20, All Rights Reserved.
Published with permission by Garden Grove Police
DepartmentCrime Analysis - 2800.4 CRIME ANALYSIS DISSEMINATION
For a crime analysis system to function effectively, information should be disseminated to the
appropriate units or persons on a timely basis. Information that is relevant to the operational and
tactical plans of specific line units should be sent directly to them. Information relevant to the
development of the Department's strategic plans should be provided to the appropriate staff units.
When information pertains to tactical and strategic plans, it should be provided to all affected units.
800.4.1 DISSEMINATION
Crime analysis information and reports will be disseminated to the following:
•Chief of Police
•Captain of Support Services Bureau
•Commander of the Community Policing Services Bureau
•Patrol Division Commanders
•Sergeants of Detective, Special Investigative, and Special Enforcement Units
800.4.2 METHODS OF DISSEMINATION
The means by which analyzed crime information is disseminated shall include, but not be limited
to:
•Crime Pattern and Crime Series Bulletin - synopsis of current crime pattern or
series which may include date, time, location, M.O., suspect description, and vehicle
description.
•Maps - Thematic maps which display crime data by area and frequency.
•Crime Summary - listing of targeted crimes by beat and district.
•Special Bulletins - selective crime information provided by investigative, patrol, or
intelligence personnel or outside agencies for distribution.
•Individual Requests - personalized analysis based upon factors specified by the
requester.
800.5 CRIME ANALYSIS FUNCTION
The crime analysis component shall provide timely, useful information to aid operational personnel
in meeting their tactical crime control and prevention objectives.
Crime data shall be collated and analyzed so that the crime analysis unit can assist the department
through its performance of the following functions:
•Identification of evolving or existing crime patterns and series
•Forecasting future crime occurrences
•Initiation of target profile analyses
•Provision of investigative leads
•Provision of support data to community policing and crime prevention programs
Garden Grove Police Department
Policy Manual
Crime Analysis
Copyright Lexipol, LLC 2022/05/20, All Rights Reserved.
Published with permission by Garden Grove Police
DepartmentCrime Analysis - 3•Assisting in case clearance process
800.5.1 SPECIFICATION OF SOURCE DOCUMENTS
All sources available to this department that contain data essential to crime analysis shall be
identified and accessible for use in the crime analysis process, including but not limited to crime
reports, field interview cards and arrest reports. The Captain of the Support Services Bureau and
the crime analyst shall be responsible for safeguarding the confidentiality of data obtained from
these sources and for the security of such documents or copies thereof while in their possession
and control.
800.5.2 CRIME ANALYSIS BRIEFING SYSTEMS
A system shall be established and maintained to brief management personnel on crime patterns
or trends as determined by the crime analysis function. The purpose of this system shall be to
provide early awareness of crime patterns and trends within the police department's jurisdiction.
It will be the responsibility of the Support Services Bureau Captain and Division Commanders to
advise the Chief of Police on those areas which may seem appropriate.
800.6 ANALYSIS OF OPERATIONAL ACTIVITIES
Any department manager may request a report of operational activities from the department's
Crime Analysis Unit. All of the department's computerized information files may be accessed
to retrieve information for any type of criminal activity; and the location, date, and time of such
activity. Crime Analysis Unit personnel will provide crime activity reports on a regular basis or as
requested.
800.7 DOCUMENTATION OF CRIME DISTRIBUTION
The department shall document the temporal and geographic distribution of selected crimes using
appropriate statistical, mapping, and graphic techniques. Such documentation may include the
locations of crimes by type, times and day of week,