Evaluate the claim "we can predict who will become a criminal"

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ProfilingZodiac.pptx

Criminal Profiling

Dr David Keatley

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Case: Zodiac

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Hunting “the most dangerous animal of all”

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December 20th, 1968

David Faraday & Betty Lou Jensen

On December 20, 1968, David Arthur Faraday, 17, and Betty Lou Jensen, 16,were on their first date when they pulled over into a lovers' lane on Lake Herman Road in Benicia. There, they were forced from the car by a killer and Faraday was shot in the head. Jensen began to run away but was shot multiple times in the back.

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July 4th, 1969

Michael Mageau & Darlene Ferrin

On July 4, 1969, Michael Renault Mageau, 19, and Darlene Elizabeth Ferrin, 22, were in the parking lot of Blue Rock Springs Park in Vallejo - 4 miles from the first crime scene - when they were shot 'to pieces', according to the investigator. But while Ferrin was pronounced dead on arrival, Mageau survived being shot in the face, neck and chest.

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September 27th, 1969

Bryan Hartnell & Cecilia Shepard

On September 27, 1969, Bryan Calvin Hartnell, 20, and Cecelia Ann Shepard, 22, were having a picnic at Lake Berryessa in Napa County when they were approached by a hooded man who bound and stabbed them. Hartnell survived eight stab wounds to his back, but Shepard died two days later.

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October 11th, 1969

Paul Stine

BEWARE THIS ONE (PHOTOS ARE AVAILABLE)

On October 11, 1969, cab driver Paul Lee Stine, 29, picked up a passenger and drove him to Presidio Heights - where he was shot in the back of the head and robbed. The killer also ripped part of Stine's shirt, which he later sent with a letter to a local newspaper.

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BEWARE THE CYPHERS

Sent to San Francisco Chronicle et al.

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Who is the Zodiac?

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FBI Profiling

Organised

Disorganised

Average

-

above IQ

Socially Competent

Skilled work preferred

High birth

-

order

status

Father’s work stable

Sexually competent

Inconsistent childhood discipline

Controlled mood during crime

Use of alcohol with crime

Precipitating situational stress

Living with partner

Mobility (car in good condition)

Follows crime in news media

May change job or leave town

Below

-

average IQ

Socially

inadequate

Unskilled work

Low birth

-

order

statis

Father’s work unstable

Sexually incompetent

Harsh discipline as a child

Anxious mood during crime

Minimal use of alcohol

Minimal situational stress

Living alone

Lives/works near crime scene

Minimal interest in news media

Significant behaviour change

Offender Characteristics

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FBI Profiling

Minimal interest in news media

Significant behaviour change

Crime Scene Characteristics

Organised

Disorganised

Planned offense

Victim a targeted stranger

Personalises victim

Controlled conversation

Crime scene reflects control

Demands submissive victim

Restraints used

Aggressive acts prior to death

Body hidden

Weapon/evidence absent

Transports victim or body

Spontaneous offense

Victim/location known

Depersonalises

victim

Minimal conversation

Crime scene random and sloppy

Sudden violence to victim

Minimal use of restraints

Sexual acts after death

Body left in view

Weapon/evidence often present

Body left at death scene

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Who is the Zodiac?

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Suspects

Multiple over the years (Everyone from BTK to UNABOMber)

Possibles:

Lawrence Kane (linked to previous similar crimes)

Ross Sullivan (suspect in previous similar crimes)

Arthur Leigh Allan (prime suspect in Graysmith’s book; talked about wanting to attach a flashlight to a firearm)

Richard Marshall (many lifestyle similarities to Zodiac [basement; films; interests])

Richard Gaikowski (editor for newspaper, voice similar to Zodiac, coworker testimony, ‘GYKE’)

Earl van Best Jr. (son, Gary Stewart names him as Zodiac)

Jack Terrance (son, Dennis Jaufman names him as Zodiac)

Donald Lee Bujok (escaped from Montana Deer Lodge Penitentiary)

Is it any of these? Or none of these? Who else?

DON’T FORGET TO LOOK FOR OTHER CASES….

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