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Forensics - Coggle Diagram
Forensics
Offender Profiling
Provides
Predictions about when, where and against whom they are likely to commit their next offence
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Used in
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Sometimes used in arson, paedophilia, ritualistic crime, burglary, robbery and kidnapping
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Two types
Top-Down Approach
2 Types
Organised
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Above average intelligence, skilled
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Disorganised
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Average to below average intelligence, unskilled
Origin
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From the insights, thorough analysis of crime details and police intuition, they created a classification system for various crimes
In 1979, FBI investigators interviewed 36 imprisoned serial killers, including Manson and Bundy
AO3
Oversimplified
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However, Canter (2004) criticised this revision further
He reports that his analysis showed that features of power/control killings were found in over half the sample so it was typical for most murders and not a distinct type
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Approach has limited use
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When it's used, findings showed that profiling rarely leads to directly to an offender (Douglas, 1981)
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However, in 77% of cases, it was cited as being helpful as it focused the investigation
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Research Support
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Based on the profile, police set up surveillance around the body of the 11th victim and caught him on a nearby bridge
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Bottom-Up Approach
Critical factors
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Criminal career
This considers how far into their criminal experience offenders are & how their pattern of crime might progress
Interpersonal coherence
How the perp behaves at the crime scene is likely to reflect the type of person they are in real life
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AO3
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Research Support (Railway Rapists, Canter 1994)
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From 1982 to 1985, there was a series of rapes committed close to railway stations in the south east of England, then 3 women were killed through strangulation
The rapist talked to his victims, forming a relationship with them, showing consideration and using minimal force
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John Duffy was arrested
29 year old carpenter who worked as a railway worked, who was separated from his wife, and had a criminal record for raping his ex-wife
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Study by Kocsis (2002)
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There was also some evidence of an inverse relationship between investigative experience and profile accuracy
Examined the importance of investigative experience by testing groups of detectives and undergrad chem students on a closed case
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Origin
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Using stat analysis, Canter was able to develop an understanding of which factors might be associated with each other and which were less likely to be connected
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Involves
Takes evidence and data from the crime scene and builds up the profile until a reasonable conclusion about the offender is reached
Uses a similar technique to US approach but typologies aren't involved and relies primarily on scientific principles
Ainsworth (2001) - the process of using all available information about a crime, a crime scene and a victim to compose a profile of the unknown perpetrator
Treatments
Behaviour Modification
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Token Economy System
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Positive reinforcement
When good behaviour occurs, prisoners earn tokens
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AO3
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Ethics
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By withholding visits or access to exercise, it's seen as unethical
The opposing argument is that prisoners have been incarcerated for lack of moral/ethical code and have lost the right to those privileges
Ease of Use
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Unless all staff use the system consistently, success will be limited
Research by Bassett found that factors such as lack of training and high staff turnover negatively impacted success rates
Hobbs & Holt
Found BM programme in 3 young offenders institutions reduced amount of undesirable behaviour within the institution compared with one without a programme
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Anger Management
Through anger management, criminals can be taught to rationalise thinking in anxiety provoking situations and minimise negative emotions
3 Stages
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Application Practise
This may involve re-enacting past scenarios where the therapist winds up the criminal to assess their progress
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Some criminals may be more cognitively vulnerable in anxiety-provoking situations and their thought patterns trigger anger which triggers aggression and by aggressing, the individual gains control which is positively reinforcing
AO3
Research Support
Keen et al (2000) studied the progress made by young offenders aged 17-21 undergoing AMT by England & Wales Prison Service
After 8 weeks, offenders reported increased awareness of their anger management difficulties increased self-control
More Successful than BM
It tackles 4 levels of the offender - their thoughts, emotions, behaviour and physiology
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BM has no use outside of prison but AM does, as offenders learn how to manage their thoughts, emotions and behaviour
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Novaco
Psychologists have even gone as far as to suggest that the theory and treatment give offenders an excuse
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Novaco's assumption that thoughts trigger negative emotion and behaviour is challenged by others who have found no difference in anger levels between violent and non-violent offenders
Expense
It requires many specialised training therapists and prisons are overrun with offendes in need of treatment
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A type of CBT based on the assumption by Novaco (1975) that cognitive factors cause the emotion that triggers aggression
Custodial Sentencing
Aims
Retribution
It's the idea that if the offender has hurt someone, they should pay for their actions
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Focuses on the feelings of the victims, their family/friends
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Deterrence
Operates on behaviourist principles of operant conditioning - prisoners learn that crime is punished and don't want to commit crime again
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Rehabilitation
Counselling and educational programmes are offered within prison to try to decrease the chances the prisoner will reoffend
AO3 - College of Crime
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Prisoners are able to mix closely with much more skilled criminals that are further into their criminal career and learn from them
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Psychological Effects
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Institutionalisation
Prisoners that become so accustomed to the life in prison are unable to function without it upon release
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When an offender is found guilty in court and as punishment, spends time in prison
Recidivism
In the last 10yrs, in some British prisons, rates have been over 70%
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AO3
Mental Health
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Offenders in the UK who received mental health treatment while in prison were 60% less likely to reoffend than untreated inmates
Institutionalisation
Malott and Fromader (2010) conducted a survey with 102 Australian male offenders asking how they felt upon release and what would reduce recidivism
Offenders felt unsupported upon release and said greater level of resources, treatment and support would reduce recidivism
Supports the idea that offenders feel institutionalised and reoffending allows them to reenter and environment organised for them
Further Support
The fact that they received 3 meals a day together with a bed and companionship was preferable to outside prison
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Biological Explanations
Atavistic Form
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Method
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Meticulously examined the facial and cranial features of 100s of Italian convicts, both living and dead
AO3
Scientific Racism
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His description of atavistic form linked to 'uncivilised primitive' behaviour can be linked to the eugenics movement
Said to have started with the cousin of Darwin who put forward the idea that not all people are born equal
Only some cultures possess 'desirable' traits and these groups should be allowed to breed for the good of humanity
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Contradictory Evidence
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It may be more likely that Lombroso's findings are coincidental and can be found amongst any people group of that size
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Goring (1913) carried out an analysis of 3000 criminals and 3000 non-criminals and found no evidence that criminals possess certain facial/cranial characteristics
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Alternative Explanation
Kaplan's (1980) self-derogation theory argues that if individuals experience persistently poor interactions with others, they will develop lower self-esteem and increased frustration with others, making them more likely to commit criminal behaviour
Interactionist Approach
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Lombroso's theory suggests that criminality is biological but the interactionist approach suggests that criminality is both nature and nurture
Lombroso (1876) argued that criminals aren't fully evolved - they are genetic throwbacks to a previous evolutionary state
Argued that criminals' savage and untamed nature meant they wouldn't be able to follow social norms/laws of a civilised society and would turn to a life of crime
Neural Explanations
AO1
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Frontal Lobes
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Have been linkted to higher brain function, such as social behaviours and planning
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AO3
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Raine (1997)
41 murderers (2 female) given a PET scan to highlight areas of brain activity and these results were compared to an age and gender matched control group
Results
They found reduced activity for the offender group in areas such as prefrontal cortex and corpus callosum
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Identified abnormally functioning brain regions specific to offenders with murder or manslaughter, who had pleaded insanity
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Suggests that the brains of offenders are slowed and unable to make swift decisions to react appropriately in certain situations or consider the consequences of their actions in order to control their behaviour
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Genetic Explanations
AO1
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The gene disturbs MAOA production, resulting in an abundance of these neurotransmitters - thought to cause aggression
AO3
Stuart (2014)
Studied 97 men who were going through a treatment programme because they had physically assaulted their wives
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Implications
Some researchers believe that interaction between genes and environment brings out aggression rather than just the genes
In America (2007), a man had his death penalty reduced to manslaughter as he had the warrior gene and a history of abuse
This has worrying implications for the future as more violent criminals may have their sentence altered with more evidence
Brunner
Brunner studied a family in the Netherlands with a history of violent aggression in the males (one man raped his sister, another ran down his boss with his car)
Results showed that the warrior gene was present in members of the family, directly supporting the theory
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Cognitive Explanations
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A massive issue with the cognitive approach is that it describes the criminal mind but not why therefore it has no explanatory power
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