CeBIT Spatial@gov 2012 - Gary Johnson, Manager, Industry Solutions, Esri Australia
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CeBIT Spatial@gov 2012 - Gary Johnson, Manager, Industry Solutions, Esri Australia

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    CeBIT Spatial@gov 2012 - Gary Johnson, Manager, Industry Solutions, Esri Australia CeBIT Spatial@gov 2012 - Gary Johnson, Manager, Industry Solutions, Esri Australia Presentation Transcript

    • 21 November 2012 Breathing New Life intoCold Case Investigations Gary Johnson
    • Richard Ramirez “The Night Stalker”14 Murder Victims5 Attempted Murders5 Sexual Assaults
    • INITIAL CONTACT SITE CRIME SCENE DISPOSAL SITE
    • Marie Noe• Marie Noe killed 8 of her 10 children.• After each death, Noe moved to avoid scrutiny.• 30 years later, after a news reported researched her geographic movement, the Philadelphia Police obtained a confession on the murders of her children.
    • Solving Crime in the World• In the 1960’s, law enforcers were solving approximately 90% of all violent crimes.• Today, effectiveness has dropped to numbers lower than 65%. WHY?
    • Oliver Benjamin Gerrish “Big Ben”500+ Child Victims of Sexual Assault35 States in America
    • BTK – Bind, Torture, Kill
    • Why Do We Need New Solutions?America’s Missing and Unidentified Citizens • Missing Persons 103,840 Annually • Unidentified Bodies 3,884 Annually • Annual Homicides 15-20,000 Annually
    • Australia is Not An Exception• Annual Homicides 250 - 300 Annually• Missing Persons 35,000 per year• Missing Over Six Months 1,600 people
    • Robert Ben RhoadesSerial Sexual SadistCurrently on Death Row for 2 MurdersSuspected in murdering as many as 300Professional Truck DriverPsychopathic PersonalityPredatory Serial Killer – The worst of the worst.
    • The Victim’s of Crime Are NOT Nameless or FacelessFrom a freewayin Texas to anabandonedbarn in Illinois(1,200 kilometersaway)
    • GIS Brings Light to the Investigation
    • Rhoades Routes – 1984-86
    • Rhoades Routes - 1987
    • Rhoades Routes - 1988
    • Rhoades Routes - 1989
    • Rhoades Routes - 1990
    • Route Density 1984-1990
    • Location of Truck Stop Entries in Rhoades Log
    • 50 Mile Buffer Around Each 4+ Hour Stop
    • Unsolved Murder Victims within That Buffer/Timeframe
    • Unsolved Murder Victims within That Buffer/Timeframe
    • The EpilogueSerial killer Texas trucker kept dungeon in cab
    • Predicted vs Observed Behaviour
    • Link and Cohort Analysis
    • If you remember just one thing Linking seemingly unconnected information through geography reveals patterns and clues that would otherwise remain undiscovered.