1st Flashcards
- Describe and evaluate offender profiling
Offender profiling is used to identify the characteristics of a criminal and narrow the list of possible suspects.
- Describe and evaluate offender profiling
( Top down approach?)
- fits a criminal into predefined categories
- the profiles used in the top down approach are: organized and disorganized
- Describe and evaluate offender profiling
( Douglas et al?)
- describes the sequence of the FBI’s top-down approach to offender profiling:
- Assimilation
- Classification
- Reconstruction
- Profile generation
- Describe and evaluate offender profiling
( Bottom Up Approach?)
- It starts with the criminals characteristics and develops a profile based on that
- statically analysis is used to identify common themes and patterns of behaviour across several crime scenes
- geographical profiling is the use of stastical analysis to make inferences about the offenders geographical location.
- Describe and evaluate offender profiling
( Canter 1994?)
- The way a criminal behaves when they are committing a crime will be consistent with how they behave in everyday life. For example, a killer who commits aggressive murders is likely to be an aggressive person in general. So, if there is evidence of an aggressive murder, the profile of the suspect will include an aggressive personality.
- Describe and evaluate offender profiling
( Gregg McCrary and Ed Grant?
- Gregg McCrary and Ed Grant used the top-down approach to develop a profile of the man responsible for the murders of several prostitutes in the late 1980s.
- This profile ended up being a close match for the offender, Arthur Shawcross, who was eventually found guilty. This suggests the top-down approach works.
- Describe and evaluate offender profiling
( Evidence for organised and disorganised?)
- The organised and disorganised offender profiles were developed by the FBI from interview and data from 36 US murderers, including Ted Bundy and Charles Manson.
- Describe and evaluate offender profiling
( Limited Application For Top Down?)
- The top-down approach only works for some types of crime. For example, rapists and murderers typically have a particular modus operandi (i.e. way of committing the crime) that reveal information about their character and so for these crimes the top-down approach may be useful.
- However, crimes such as burglary do not typically reveal any idiosyncratic details about the criminal and so bottom-up approaches (e.g. geographical profiling) are likely to be more useful.
- Describe and evaluate offender profiling
(Wide range of application for bottom up approach?)
- Whereas the top-down approach only really works for crimes with a particular modus operandi, such as rape and murder, the bottom-up approach can be applied to a much wider range of crimes.
- For example, most burglaries are similar in method and so a top-down approach won’t reveal much about the offender’s profile. However, geographical profiling only requires the locations of the crimes, and so this bottom-up approach can be applied to basically every type of crime.
- Describe and evaluate offender profiling
(Copson 1995?)
- Copson (1995) surveyed 184 UK police officers (UK = bottom-up approach) on the use of offender profiles created by trained profilers.
- Although 83% of the police surveyed said the profiles were ‘useful’, just 3% of profiles created by trained profilers resulted in identification of the offender. This suggests bottom-up profiles are not particularly useful in practice.
- Describe and evaluate offender profiling
(Very Scientific for bottom up approach?)
- The bottom-up approach relies on objective and measurable data (e.g. plotting geographic locations of crimes), uses mathematical tools (e.g. statistical analysis), and is often based on psychological theory (e.g. interpersonal coherence).
- Because of this, Canter argues the bottom-up approach is more scientific than the top-down approach, which relies more on intuition and gut-feeling.
3 biological explanations of offending behavior:
- atavistic
- Genetics
- Neural
- DESCRIBE AND EVALUATE ATAVSIM AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( Atavism)
- 19th Century criminologist Cesare Lombroso proposed that criminals are biologically different from modern humans. He argued that criminals have more in common with our evolutionary ancestors than normal humans do.
- ## atavistic form: The idea is that criminality represents the behaviours of earlier, more savage, pre-human species – like Neanderthals or homo habilis.
- DESCRIBE AND EVALUATE ATAVSIM AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( Atavism distinctive facial features?)
- Heavy brow
- Strong jaw
- Extra fingers/toes/nipples
- . DESCRIBE AND EVALUATE ATAVSIM AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(Historical Influence?)
- Lombroso’s atavistic form explanation is widely dismissed by modern-day scientists
- Prior to Lombroso, explanations of criminal behaviour tended to be religious (e.g. bad spirits, Satan, etc.)
- Lombroso’s approach shifted the discussion towards more scientific explanations. This paved the way for more scientific explanations of criminal behaviour, such as genetic factors.
- . DESCRIBE AND EVALUATE ATAVSIM AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(Ethical?)
- Lombroso’s atatvistic form explanation is socially sensitive because it could lead to stereotyping and discrimination based on the way a person looks.
4 . DESCRIBE AND EVALUATE ATAVSIM AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(Methodological Explanation?)
- Lombroso’s approach was that he did not use a non-criminal control group to compare his measurements of criminals against.
- Without comparing the features of criminals against the features of non-criminals, it is impossible to say whether criminals do actually have distinctive features that differentiate them from non-criminals as Lombroso claimed.
1 . DESCRIBE AND EVALUATE GENETICS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(LANGE 1931)
- compared concordance rates for prison sentences among 13 identical twins and 17 non-identical twins.
- 10 of the 13 pairs of identical twins (77%) had both spent time in prison, whereas only 2 of the 17 non-identical twins (12%) had both spent time in prison.
2 . DESCRIBE AND EVALUATE GENETICS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(LANGE 1931 CONCLUSION?)
- These studies show the concordance rates for criminal behaviour are higher among identical twins (who share 100% of their genes) than non-identical twins (who only share 50% of their genes). This supports a role for genetics in explaining criminal behaviour.
3 . DESCRIBE AND EVALUATE GENETICS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(CANDIDATE GENES?)
- Although there is no single ‘criminal gene’, several genes have been linked with criminal behaviour.
- For example, the MAOA-L gene is linked with aggressive behaviour , which is in turn linked with criminal behaviour.
4 . DESCRIBE AND EVALUATE GENETICS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
(CANDIDATE GENES EVIDENCE?)
- Brunner et al (1993)
- studied a family with a history of aggressive and criminal behaviour, and found that all the male members had the MAOA-L gene
- This is an example of a gene that could (partly) explain criminal behaviour.
- DESCRIBE AND EVALUATE GENETICS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( DETERMINISTIC?)
- Genetic explanations are deterministic because they say that a person’s genes are what cause criminal behaviour, not free will.
- However, this raises legal and moral issues: It is hard to hold someone morally responsible for criminal actions if they didn’t choose them, and so it may seem unfair to punish them.
- DESCRIBE AND EVALUATE GENETICS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( OTHER FACTORS?)
- If criminal behaviour was entirely determined by genetics, the concordance rate would be 100% among identical twins.
- Lange (1931) found the concordance rates for criminal behaviour among identical twins to be less than 100%,
- which demonstrates that other factors (e.g. different experiences and psychological factors) are needed for a complete explanation of criminal behaviour.
- DESCRIBE AND EVALUATE NEURAL FACTORS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( RAINE ET AL?)
- RAINE ET AL
- compared brain scans conducted on 41 convicted murderers and with brain scans conducted on 41 control participants
- The researchers observed that the murderers had reduced activity in the prefrontal cortex, the superior parietal gyrus, left angular gyrus, and the corpus callosum compared to the control group.
- DESCRIBE AND EVALUATE NEURAL FACTORS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( BRUNNER ET AL?)
- Neurotransmitters, such as serotonin and dopamine, may also explain criminal behaviour
- Brunner et al (1993)
- described above demonstrates a link between genes responsible for processing neurotransmitters and violent behaviour
- These effects on neurotransmitters may be why these genes increase violent behaviour, suggesting a link between abnormal neurotransmitter activity and criminality.
- DESCRIBE AND EVALUATE NEURAL FACTORS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( DETERMINISTIC?)
- Neural explanations are biologically deterministic because they say that neural factors are what cause criminal behaviour, not free will.
- However, this raises legal and moral issues: If someone doesn’t choose their criminal actions, it may seem unfair to hold them morally or legally responsible for them.
- DESCRIBE AND EVALUATE NEURAL FACTORS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( SMALL SAMPLE SIZES?)
- Studies linking criminal behaviour with neural factors often use small sample sizes.
- ne reason for this is that the population of serious criminals are hard to gain scientific access to
- This effect is compounded by the high costs of brain-scanning tools, such as fMRI, which makes it even more difficult to carry out this research on large numbers of people.
- Because of these small sample sizes, it may be invalid to generalise the findings from these studies to the wider population.G
- DESCRIBE AND EVALUATE NEURAL FACTORS AS AN EXPLANATION OF OFFENDING BEHAVIOUR
( ETHICAL?)
- An implication of Raine’s research is that brain scans in childhood could be used to identify potentially violent criminals of the future.
- This policy, if enacted, could potentially reduce crime but is socially sensitive because it could lead to discrimination against people with these brain structures.
- DESCRIBE AND EVALUATE ESEYNECKS THEORY OF CRIMINAL PERSONALITY AS A PSYCHOLOGICAL EXPLANATION OF CRIMINAL BEHAVIOUR]
Eysenck’s theory of personality is a general theory of personality. According to Eysenck, a person’s biology (i.e. their genes) predispose them towards certain personality traits.
- These 3 key personality traits exist on a spectrum and are described in Eysenck (1947) and Eysenck (1966):
- extrovert
- neurotic
- psychotic
- DESCRIBE AND EVALUATE ESEYNECKS THEORY OF CRIMINAL PERSONALITY AS A PSYCHOLOGICAL EXPLANATION OF CRIMINAL BEHAVIOUR]
( EXTROVERT VS INTROVERT?)
An extrovert is someone who is sociable, talkative, more impulsive and risk-taking.
In contrast, an introvert is someone who prefers to spend time alone and is less impulsive and less inclined to take risks.