Criminal Behavior Flashcards
What are the three kinds of multiple homicides?
- Spree Murder
- Serial Murder
- Mass Murder
Most definitions of multiple homicides focus on:
The number of victims
The number of events over which the killings take place
The number of locations involved in the killings
Whether there is a cooling off period between the killings
What are the characteristics of a spree murder?
Victims: 2+
Events: 1
Locations: 2+
Cooling off period? NO
Explain the Case of Gabriel Wortman
Killed 22 people and injured three others over a 13 hour time period in 16 different locations in rural Nova Scotia.
Driving a replica RCMP cruiser.
Eventually died in stand off with police.
What are the characteristics of a serial murder?
Victims: 2+
Events: 2+
Locations: 2+
Cooling period: YES
What are characteristics of a mass murder?
Victims: 4+
Events: 1
Locations: 1
Cooling period: NO
Gabriel Wortman personality characteristics..
Obsessed with police
Ran dentures clinics
Domestic violence perpetrator
Gun fascination
What kind of killer was Gabriel Wortman?
Spree
What kind of killer was Clifford Olson?
Serial
Explain the case of Clifford Olson
One of the most prolific serial killers in Canada
Killed at least 11 children and young adults in BC
Incarcerated in maximum security prison - consistently denied parole - died in 2011
Who was Ted Bundy?
Murdered 35+ young across US between 1974 and 1978
When/how did Ted Bundy die?
Executed in 1989
What was Ted Bundy involved in (community wise)?
Earned a scholarship to Stanford University
Studied both psychology and law
Volunteered at a rape crisis center in his free time
Was commended by Seattle police for saving the life of a three-year-old drowning boy
What kind of killer was Marc Lepine?
Mass
What was the worst mass killing in Canadian history?
Marc Lepine, aged 24, at Ecole Polytechnique in Montreal
Explain the case of Marc Lepine
Claiming he was “fighting feminism” he shot 28 people, killing 14 women, and then committed suicide over the course of 20 minutes
How many mass shootings in the US (September 4)
484
What are most mass homicides linked to?
68.2% of mass homicides are linked to domestic violence
Who are some of the infamous Canadian serial killers?
Wayne Boden (“The Vampire Killer”
Clifford Olson
Paul Bernardo and Karla Homolka (Ken and Barbie)
Robert ‘Willie’ Pickton (the Pig Farmer)
Ex-colonel Russell Williams
Annual Report on Serial Killer Statistics
5752 serial killers from US and other countries
Seperate section with 15, 088 victims
What does Aamodt et al. 2023
Number of active serial killers peaked in the US in the 1980s; with an average of 173 active serial killers per year
In 2010-2019, there were an average of 53 per year
What is a hypotheses for the decrease in serial killers?
Increased technology (e.g., Black widows makes insurance fraud harder)
Decreased availability of vulnerable targets (hitch hikers, taking a ride from a stranger)
Striker criteria for parole
Explain international comparisons
115 countries have at least one identified serial killer
64% (3, 690) of known serial killers are American
Which countries have at least 100 serial killers?
United States (3, 690)
England (182)
Russia (164)
Japan (138)
India (130)
South Africa (120)
Canada (125)