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.