CeBIT Spatial@gov 2012 - Gary Johnson, Manager, Industry Solutions, Esri Australia
-
Upload
cebit-australia -
Category
Documents
-
view
388 -
download
4
Transcript of CeBIT Spatial@gov 2012 - Gary Johnson, Manager, Industry Solutions, Esri Australia
Breathing New Life into
Cold Case InvestigationsGary Johnson
21 November 2012
Richard Ramirez “The Night Stalker”
14 Murder Victims
5 Attempted Murders
5 Sexual Assaults
INITIAL CONTACT SITE
CRIME SCENE
DISPOSAL SITE
Marie Marie Marie Marie NoeNoeNoeNoe
• 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.
• In the 1960’s, law enforcers were solving
approximately 90% of all violent crimes.
• Today, effectiveness
has dropped to numbers
lower than 65%.
WHY?
Solving Crime in the World
Oliver Benjamin Gerrish
“Big Ben”
500+ Child Victims of Sexual Assault
35 States in America
BTK BTK BTK BTK –––– Bind, Torture, KillBind, Torture, KillBind, Torture, KillBind, 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 Rhoades
Serial Sexual Sadist
Currently on Death Row for 2 Murders
Suspected in murdering as many as 300
Professional Truck Driver
Psychopathic Personality
Predatory Serial Killer
– The worst of the worst.
The Victim’s of Crime Are NOT Nameless or Faceless
From a freeway
in Texas to an
abandoned
barn in Illinois (1,200 kilometers
away)
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 LogD
50 Mile Buffer Around Each 4+ Hour StopD
Unsolved Murder Victims within That Buffer/TimeframeD
Unsolved Murder Victims within That Buffer/TimeframeD
The Epilogue
Serial 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.