Post on 17-Dec-2015
CMI: Crime Mapping CMI: Crime Mapping Initiative in Initiative in
Brownsville, PABrownsville, PAByBy
Thomas R. Mueller, Ph.D.Thomas R. Mueller, Ph.D.California University of PACalifornia University of PAWV GIS Conference 2004WV GIS Conference 2004
Cal U and GISCal U and GIS
MMVRPZ CommissionMMVRPZ Commission Boat LaunchesBoat Launches Tourism Map for BrownsvilleTourism Map for Brownsville Industrial ParksIndustrial Parks GIS EducationGIS Education Next…Crime MappingNext…Crime Mapping
Crime Mapping and Rural AreasCrime Mapping and Rural Areas
GIS is being used predominately by GIS is being used predominately by large police departmentslarge police departments
13,000 Police departments serving 13,000 Police departments serving populations less that 50,000populations less that 50,000
14% were using Crime Mapping14% were using Crime Mapping DeclineDecline
Hickman 2001
Brownsville Set UpBrownsville Set Up
Ask the officialsAsk the officials 911 has Street Line Database911 has Street Line Database Students = IRB ApprovalStudents = IRB Approval Students get real world experience Students get real world experience
and the towns get a helpful and the towns get a helpful deliverabledeliverable
Where is Uniontown?Where is Uniontown?
The Brownsville ConnectionThe Brownsville Connection
Discussion with Mayor on Other Discussion with Mayor on Other Projects Projects
Summer Project 2002Summer Project 2002 Summer 2003 and Fall 2003 trialSummer 2003 and Fall 2003 trial Project begins in Spring 2004Project begins in Spring 2004 Geo – code criminal data with Street Geo – code criminal data with Street
DatabaseDatabase Use ExcelUse Excel
Brownsville DatabaseBrownsville Database
Collected one month of data Collected one month of data Only Certain Crimes (Not all data)Only Certain Crimes (Not all data) Geo – coded crimes using ArcViewGeo – coded crimes using ArcView Take Excel to Dbase to ArcViewTake Excel to Dbase to ArcView Problems = 7% MatchProblems = 7% Match
Crimes in the DatabaseCrimes in the Database
Only map certain calls for serviceOnly map certain calls for service Hang – ups, assisting, and outside of Hang – ups, assisting, and outside of
the townthe town No Domestic Abuse CrimesNo Domestic Abuse Crimes No Juvenile CrimesNo Juvenile Crimes Eliminates about 50% of databaseEliminates about 50% of database
ProblemsProblems
No given street addressNo given street address No given street numberNo given street number Too general of a streetToo general of a street Street does not existStreet does not exist
Crimes in the Database
Mappable60%
Unmappable40%
Still Not a 100% Geo – codingStill Not a 100% Geo – coding
Discussed the Issues with the MayorDiscussed the Issues with the Mayor Changes in Spring 2004Changes in Spring 2004 Up to 90% Geo-coded Up to 90% Geo-coded
Still Not a 100% Geo – codingStill Not a 100% Geo – coding
Discussed the Discussed the Issues with the Issues with the MayorMayor
Changes in Spring Changes in Spring 20042004
Up t 90% Geo-Up t 90% Geo-coded coded
The Next StepsThe Next Steps
Weekly reports will be provided to Weekly reports will be provided to BrownsvilleBrownsville
Hope to be able to move to Daily Hope to be able to move to Daily ReportsReports
New Course: Crime Mapping and New Course: Crime Mapping and Spatial AnalysisSpatial Analysis
Add new towns.Add new towns.