GIS and Crime Mapping
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GIS and Crime Mapping
Spencer Chainey & Jerry Ratcliffe
GIS & Crime Mapping covers the theoretical principles, data processing solutions, partnership working, analytical methods, problem-solving approaches, and map design for GIS and crime in a manner that underpins GIS application use in three broad areas (operational, tactical and strategic). The book also includes short case studies at relevant sections to help demonstrate how the principles and concepts are essential for successful application development. These case studies bring a richness and depth to the text and draw from the authors’ international contacts and knowledge of excellence in the field to offer a global tone to the book.
The geography of crime.
A brief history of GIS and crime mapping.
Using GIS in policing and to prevent crime.
The audience for this book.
The content and structure of the book.
Putting it all in perspective.
Case Study: Crime mapping in Lincoln Police, Nebraska.
2 Mapping and the Criminal Justice Environment.
The terminology of services in the criminal justice environment.
The spatial hierarchy of the criminal justice system and crime reduction services.
Case Study: Policing across the spatial hierarchy in the UK: The National Intelligence Model.
The geographical jurisdiction of law enforcement and crime reduction services.
The use of crime mapping in law enforcement and crime reduction.
Case Study: Using GIS to monitor the effect of alley-gating schemes.
3 The Basics of Crime Mapping
What is a GIS?
How does a GIS work?
Coordinate systems and projections.
Getting crime data into a GIS.
Case Study: Using Global Positioning Systems (GPS) technology to capture environmental crime incidents in North London, England.
Geocoding in the real world .
Address data cleaning.
Address reference files.
Case Study: Geocoding crime data at the point of record entry in Dumfries and Galloway, Scotland.
Geocoding and fitness for purpose.
Measuring geocoding accuracy.
Case Study: Handling uncertainty and incompleteness in crime records.
Mapping and unreported crime data.
Editing data in a GIS.
Performing queries on data in a GIS.
Performing spatial functions and integrating data in a GIS.
Asking spatial questions before mapping or analysing data.
4 Spatial Theories of Crime
Early environmental criminology.
The space and time of offences.
Offender – offence interaction.
Spatial crime theory in practice.
5 Spatial Statistics for Crime Analysis
Estimates of spatial dependence.
Case Study: The application of Moran’s I on burglary at the state level in the United States of America.
Spatial regression models.
Case Study: A spatial lag model of anonymous narcotics tips in Philadelphia, USA.
Case Study: Local Spatial Processes with Geographically Weighted Regression.
6 Identifying Crime Hotspots
When is a hotspot, hot?
Geographic boundary thematic mapping.
Grid thematic mapping.
Continuous surface smoothing methods.
Case Study: Mapping hotspots of thefts of vehicles in Camden, London.
Local indicators of spatial association (LISA) statistics.
Considering the underlying population.
Case study: Identifying street crime risk hotspots in the West End of London using pedestrian counts.
Predictive crime mapping.
7 Mapping Crime with Local Community Data
What are crime reduction partnerships?
Mapping and the benefits of partnership working.
Case Study: Comparing the perception of where crime happens with where crime actually happens.
Case Study: CADDIE – Crime And Disorder Information Exchange, Sussex, England.
Case Study: The Amethyst Crime and Disorder Information Hub, Cornwall, England.
Combining data from different geographic units.
From the publisher..
8 Mapping and Analysing Change Over Time
Temporal resolution and querying a temporal database.
Comparing two distributions.
Mapping temporal change with graphs.
Quantifying change over time.
Case Study: Aoristic analysis of vehicle crime in Sydney’s Eastern Suburbs.
9 Mapping for Operational Police Acitivites
Case Study: CompStat mapping in the Philadelphia Police Department.
Case Study: CompStat from a management perspective.
Intelligence products in the UK.
The hotspot matrix.
Case Study: A street crime hotspot matrix.
10 Tactical and Investigative Crime Mapping Applications
The journey to crime.
Case Study: The journey to crime and the ‘self-containment index’.
Case Study: Geographic profile for Operation Lynx.
Using maps as evidence.
Case Study: Using maps as evidence in a murder trial in Florida.
Detecting offenders through their self-selection.
Case Study: Self-selection of offenders through illegal parking in disabled parking bays.
11 Policing the Causes of Crime
Introduction - The level of strategic crime control.
Policing for crime reduction.
Case Study: Supporting strategic crime analysis in London, England.
Analysing the underlying drivers of crime.
The geography of neighbourhood studies.
Case Study: Street corner geography for street corner problems?
12 Crime Map Cartography
Introduction - The purpose of the map.
Visual variables and colour.
Thematic maps of areal data.
Thematic maps of point data.
Getting away from paper: the digital age.
13 The Management and Organisation of Crime Mapping Services
Implementing crime mapping.
Understanding the role of crime analysis.
Case Study: Crime mapping and analysis in the Glendale Police Department, Arizona.
Organising the production of crime mapping products.
Case Study: Project Spectrom – a new operational policing model for west Midlands Police, England.
Case Study: The importance of management to support crime analysis.