FPSY: Homicidal Offenders

Lecture 13

In 2021, blank police-reported homicides → 525 (67%) solved

• 2.06 per 100,000 (highest since 2005)

• Aprx. 7 in the United States

788

Only blank of violent crimes

0.2%

Homicide rate for Indigenous victims are blank higher

6 times

Most common method → ____________ (40%)

• Stabbings (32%)

• Beatings (17%)

shootings

blank take longest to solve (47% solved after 100 days)

• 84% by stabbing

• 70% by beating

shootings

Reactive → more likely with blank

family

Instrumental → more likely with blank

strangers

Miethe & Drass (1999)

• 30,000+ single-offender homicides in the US from 1990-94

80% reactive

Homicide Characteristics Rate

• Acquaintance → 55%

• Family → 28%

• Stranger → 17%

Disagreement re: typical offender characteristics

Research focus à mothers

blank is much more common than blank

uxoricide; mariticide

There is high incidence of blank after committing spousal killings

suicide

Motivation for Spousal Killers

anger

What are the motivations for intimate partner homicides in Canada? (Sinha 2012)

• escalations of arguments

• jealousy

Characteristics of Serial Killers

• Overwhelmingly male

• Most common motive → enjoyment

• Most common method → shooting

• Victims typically female

• Tend to offend near residence

Characteristics of Female Serial Killers

• Extremely rare

• Black Widows

  • Kill for financial gain

• Angels of Death

  • Nurses who kill their patients

Holmes & holmes (1998) serial killer classification

• Visionary

• Mission-oriented

• Hedonistic

• Power/control

Typologies of Serial Murderers do not have much blank support

empirical (scientific)

110 case files from serial murders include blank and blank

motivation; location of murder etc

Critiques of the holmes & holmes model

• reliability/validity

• lack of emprical support

• definitional issues/overlap

• miced types

Critiques of the Holmes & Holmes Model: Reliability/validity Concerns

• Unclear how the typologies actually developed

• What types of questions/interviews?

Critiques of the Holmes & Holmes Model: Definitional issues/overlap

• Lots of features listed in multiple typologies

• Vague terms (e.g., “controlled crime scene”

Critiques of the Holmes & Holmes Model: lack of emprical support

when model tested, can’t find discriminating features

Hickey’s Trauma-Control Model

• No single path → combination of biopsychosocial factors

• major trauma during early childhood

• motivated by need for control

• Restores self-esteem

General Aggression Model

• inputs

• routes/processing

• output

T/F: In Canada the majority of victims of sexual violence know their offender

True

According to Groth’s rapist typology, which type of sexual offender us least common

sadistic rapists

Expert testimony on whether a defendant is fit to stand trial should be found NCRMD is often called blank testimony

ultimate issue

T/F: Employment status is an example of static risk factor

False

According to holmes and holmes, which type of serial killer to likely to be suffering from psychosis?

visionary

T/F: Uxoricide occurs more frequently than mariticide

True

What type of sexual offender tend to have the highest psychopathy scores?

T/F: Canada no longer has the option for lawyers to use the peremptory challenge during voire dire

True

T/F: Almost all offenders diagnosed with antisocial personality disorder also meet the criteria for psychopathy

False

The Violence Risk Appraisal Guide (VRAG) is an example of what type of risk assessment?

actuarial prediction

Capital Trials are split into guilt and sentencing phases. What is this type of trial referred to?

bifurcated trial

T/F: Antisocial personality disorder is a diagnosis in the DSM-5

True

blank is not in the DSM-5

psychopathy

According to some psychologists, jurors are unable to discount and ignore evidence that is rule inadmissible because when you try not to think about something, that ‘something’

ironic processes

Intervention and treatment programs fall under what component of risk assessment

management

Goal of Management

lower risk (recidivity)

T/F: According to the Revised Rapist typology, vindictive offenders are generally angry at women

True

T/F: Vincent Lee was found guilty

False

What is the max sentence of someone convicted of lvl 3 seal assault in Canada?

life sentence (25 years)

In Canada, homicide accounts for what percentage of violent crimes?

less than 1%

According to Atkinson’s typology of female sex offenders, are likely to have experienced childhood sexual abuse

predisposed offenders

T/F: Female serial killers who are primarily motivated by financial gain are referred angels of death

False

T/F: The black sheep effect states that when evidence is strong juror are more lenient to same race defendants

False

What diorder neds to be presnt to the age of 15 to be diagned w ani tosical pesonaliy disoder

conduct disorder