Forensic Issues in Child and Adolescent Psychiatry Flashcards
(116 cards)
Psychosocial risk factors for criminality
Individual and family factors Prenatal and perinatal influences—birth complications, maternal rejection, fetal neurological maldevelopment, maternal nicotine and alcohol consumption Hyperactivity and impulsivity Low intelligence Punitive parenting style—poor supervision, harsh discipline, rejection Teenage mothers Parental conflict—separations Criminal parents Large family size
Social factors Socioeconomic deprivation Peer influences School influences Community influences
Relationship between schizohrenia and offending (particularly homicide)
The association between mental disorder and violence
has been repeatedly demonstrated. Fazel et al. (2009a)
conducted a systematic review of violence and schizophrenia and other psychoses. This meta-analysis of
20 studies, including 18,423 individuals, found that
schizophrenia and other psychoses were associated
with violence (especially homicide). However, this risk
was mediated by comorbid substance abuse, and was
the same for individuals with substance abuse without psychosis. The increased risk of violent offending
in both men and women with a diagnosis of affective
psychosis could be accounted for by alcohol and substance misuse. Alcohol and substance misuse by themselves are associated with a substantially increased risk
of violent offending, as is personality
Association of mental illness and crime
Only a small minority of all people who commit violent acts have serious mental illness such as psychosis.
Swedish national registers linking hospital admissions
and criminal convictions over 13 years demonstrated a
population-attributable risk fraction of 5.2% (i.e. only
5% of convictions were accounted for by individuals with severe mental illness)
Attributable risk fraction was higher in women across all age bands. In
women aged 25–39 years, it was 14.0%, and in those
aged 40 years or over, it was 19.0% (Fazel and Grann,
2006). In a more recent Swedish register study, Fazel
et al. (2014a) showed that, within 5 years of their first
diagnosis of schizophrenia, 10.7% of men and 2.7% of
women were convicted of a violent offence. The vast
majority of patients with psychotic illnesses are no
more dangerous than members of the general population. There is no evidence that homicidal behaviour
is becoming more common in people with mental illness—indeed, it appears to have been declining since
the early 1970s (Large et al., 2008).
ASPD and substance use have greater association with offending than does any MMI
Where serious violence occurs, it is likely to be directed at a family member or carer
Most offending in minor in nature
Link between alcohol and crime
Alcohol and crime are related in three important ways:
1. Alcohol intoxication may lead to charges related to
public drunkenness or to driving offences.
2. Intoxication reduces inhibitions and is strongly associated with crimes of violence, including murder.
3. The neuropsychiatric complications of alcoholism
may also be linked with crime.
Delusions associated with increased risk of violence
Persecution
Being spied on
Conspiracy
PTSD association with violence
Post-traumatic stress disorder (PTSD) may be related to
offending in three ways:
● PTSD patients may abuse drugs and alcohol.
● PTSD is associated with increased irritability and
decreased affect regulation.
● PTSD patients may rarely experience dissociative episodes involving violence, especially in circumstances
resembling their original trauma. This is often hard to
determine retrospectively
Cognitive distortions associated with pathalogical gambling
magnification of gambling skill, superstitions, temporal telescoping, predictive skill, and obviously
selective memory
Factors associated with reoffending in individuals sexual offending
● Previous criminal history
● Higher number of sexual offences and more than
one type of sexual offence
● Being a childhood victim of sexual abuse
● Violent sexual fantasies
● Negative attitudes to women
● Belief that victims consent to or enjoy the act
● Choice of location and occupation to facilitate
access to victims
● Use of sadomasochistic or paedophilic pornography
● Substance misuse
● Treatment non-compliance
Paedophilie definition
Paedophiles
are defined as having a primary sexual interest in prepubertal children. They are almost always male, either
homosexual or heterosexual, and usually abuse children
not previously well known to them. Paedophiles are
rarely mentally ill. Victims are often prepared (‘groomed’)
over a long period of time, increasingly via the internet.
Some paedophiles may seek work in occupations where
they will have access to children who will be left in their
care
Recidivism rate in child sexual offenders
The prognosis is difficult to determine. Among those
who receive a prison sentence, the recidivism rate is
about one in three. An important minority progress to
violent sexual offences, so psychiatrists may be asked to
give an opinion on their dangerousness
Sexual assault stats
● About 1% of women said that they had been subject to some form of sexual victimization in the
past year.
● In total, 0.4% of women (leading to an estimate of
61,000 victims in the UK) said that they had been
raped in the previous year.
● Current partners (at the time of the attack) were
responsible for 45% of rapes. Strangers were
responsible for a minority (8%) of attacks.
● Around 18% of sexual assaults were reported to the
police.
1/3 sexual assaults go to police, 1/3 of those to court, 1/3 of those rapists convicted. Most serve half time.
Reconviction rates of rapists
30%
Mental illness most commonly associated with sho lifting
depression
Groups that set fires
Certain groups can be recognized:
● Fire-setters who are free from psychiatric disorder and who
start fires for financial or political reasons, or for revenge;
they are sometimes referred to as motivated arsonists.
● So-called pathological fire-setters, who suffer from
learning difficulties, mental illness, or alcoholism;
this group accounts for about 10–15% of arsons.
● A group that meet the DSM-5 criteria for pyromania
(see page 520). These individuals (who sometimes join
conspicuously in firefighting) obtain intense satisfaction and relief of tension from fire-setting.
● Those with psychotic illness
The factors associated with an increased risk of repetition include:
● antisocial personality disorder
● learning difficulties
● persistent social isolation
● fire-setting for sexual gratification or relief of tension(Anwar et al., 2009)
Is critical incident debriefing helpful for victims of crime
No
Critical incident debriefing as a routine treatment is not
helpful (Raphael and Wilson, 2000). Clinical judgement
is needed in assessing the severity and persistence of
psychological problems to determine whether victims
require specific psychological help.
Intention to commit crime- essential principles
The underlying principle is that no one
should be regarded as culpable unless they were able to
control their own behaviour and to choose whether to
commit an unlawful act or not. In determining guilt, it
is necessary to consider the mental state at the time of
the act, and especially intention (mens rea). This means
the person perceives and intends that their act will produce unlawful consequences. Three other forms of intent
need consideration.
1. Recklessness. The deliberate taking of an unjustifiable
risk when the consequences can be foreseen but are
not avoided.
2. Negligence. Bringing about a consequence which a
‘reasonable and prudent’ person would have foreseen
and avoided.
3. Accident (or ‘blameless inadvertence’).
The key issue is whether the accused had the mental
capacity to form the intention, or whether mental disorder might have affected that capacity. Sometimes
it will be beyond psychiatric expertise or evidence to
answer this question. Asked to give an opinion on these
matters, the psychiatrist should liaise closely with the
lawyer
Inability of children under 10 to form intent- Latin term
children under 10 years of age are excluded
because they are deemed incapable of forming criminal intent. The Latin term for this is doli incapax.
Competence to stand trial
It is necessary to determine how far the defendant can:
● understand the nature of the charge
● understand the difference between pleading guilty
and not guilty
● instruct counsel
● challenge jurors
● follow the evidence presented in court
McNaughton rules, including case precedent
In English law, insanity is defined in law by the
McNaughton Rules, after the famous case of Daniel
McNaughton, who in 1843 shot and killed Edward
Drummond, the Private Secretary to the then Prime
Minister, Sir Robert Peel. In the trial at the Old Bailey, a
defence of insanity was presented on the grounds that
McNaughton had suffered from delusions that he was
being persecuted by spies. His delusional system gradually
focused on the Tory Party, and he decided to kill their
leader, Sir Robert Peel. McNaughton was found not guilty
on the grounds of insanity, and was admitted to Bethlem
Hospital. Because this was such a contentious decision,
rules were provided for guidance. It must be clearly proved
that, at the time of committing the act, the accused was:
labouring under such a defect of reason, from disease of the
mind, as not to know the nature and quality of the act he was
doing, or, if he did know it, that he did not know what he was
doing was wrong.
Diminished responsibility
In English law, it is only available in relation
to the charge of murder, and is defined as follows:
where a person kills or is party to a killing of another, he shall
not be convicted of murder if he was suffering from such abnormality of mind (whether arising from a condition of arrested
or retarded development of mind or any inherent causes or induced by disease or injury) as substantially impaired his
mental responsibility for his acts and omissions in doing or
being party to the killing
Types of false confessions
Gudjonsson (1992) suggested that there are three main types of false confession:
- Voluntary.
- Coerced–compliant.
- Coerced–internalized.
Reason to transfer psychiatrically unwell prisoners
● Psychosis
● Failure to improve with medical treatment in prison
● Refusal to have treatment for serious psychiatric
illness
● Life-threatening self-harm
● Risk of abuse
Following a violent incident in hospital, considerations
After an incident has occurred, the clinical team
should meet to consider the following issues.
● The future care of the patient. For mentally disordered
patients, there should be a review of the drugs prescribed and their dosage. When violence occurs in a
person with a personality disorder, medication may
be required in an emergency, but it is usually best
to avoid maintenance medication. Other measures
include trying to reduce factors that provoke violence,
or providing the patient with more constructive ways
of managing tension, such as taking physical exercise
or asking a member of staff for help.
● Supportive psychological interventions. These may be
required for patients or staff who have been the victims of a violent assault (see the earlier section on victims of crime).
● Whether the police should be informed. It should not be
forgotten that such assaults may be criminal. Opinion
has moved to a preference for involving the police more
often, although they are often reluctant to press charges.
● The possible effect on the whole patient group. Other
patients may need support whether or not they were
present at the incident.
● The need for changes in the general policy of the ward.
A violent incident may enable lessons to be learned
that are applicable in a general way to ward policies
and procedures.
2 approaches to risk assessment
There have been two broad approaches to risk
assessment.
1. Clinical psychiatrists have tried to identify factors associated with dangerousness in an individual patient (see
Box 18.9). While general predictors of violence (e.g.
past violence, antisocial personality disorder, substance
misuse) are helpful, they lack specificity in identifying
particular individuals at risk (Fazel et al., 2012).
2. Actuarial methods have been used to predict future
criminal behaviour among offenders and psychiatric
patients. In general, the low correlations between predicted and observed behaviour have meant that
they have been unhelpful for making individual
predictions. Recent instruments have an improved
predictive accuracy, but may be more useful in predicting those not likely to be violent than those who
are (Fazel et al., 2012