Forensics Flashcards
Proportion of homicide perpetrators with acute mental illness
10%
Pritchard criteria
Fit to plead
Proportion of patients with psychosis who commit homicide per year
1/10,000
Proportion of men and women who report serious sexual assault in past 12 months
women - 0.5%
men - 0.1%
Proportion of rape victims who know their attacker
90%
Peak ages of offending
male - 17/18
female - 14
Proportion of crimes committed by people with mental illness
5%
Partial defences for murder
Loss of control
Diminished responsibility
Killing pursuant to a suicide pact
Pathological intoxication
Sudden onset of aggressive and violent behaviour, not typical of the patient while sober, and occurring soon after drinking small amounts of alcohol that would not produce intoxication in most people
Proportion of prison population with antisocial personality disorder
Men - 50%
Women - 30%
Proportion of homicides commited by person with lifetime history of mental disorder
30%
Percentage of homicides committed by a person with schizophrenia
6%
Proportion of offenders that are female
1 in 5
PCL-R
Assessment scale used to diagnose psychopathy. Score 0-40, need score >25 for diagnosis.
Static-99
10 item scale to assess risk of male sex offenders (>18yrs) when released into community.
Acturarial tool