David V. Canter

Cheat Sheet / Updated 03-15-2022

Forensic psychology is the application of psychological knowledge to the criminal justice system. Print out and pin up this Cheat Sheet to remind yourself of how forensic psychology is used within the justice system to assess offenders, identify criminal capacity in young people, and to characterize psychopaths.

Article / Updated 03-26-2016

Forensic Psychologists often assess offenders to determine whether they’re fit to plead their case in court, or are likely to be violent in the future. There are a number of important issues to be considered in this assessment and these are outlined here: Family background Any history of abuse? Offender ever removed from family? Any criminal close relatives? Criminal background Amount and variety of criminal convictions? Types of victims? (Particularly their age and gender) Education Achievements at school? (Or lack of them) Age left school? Literacy skill level? Numeracy skill level? Attitudes Opinions about crime and criminality? Justifications of his or her offences? Any processes of denial or minimisation? Psychological characteristics General intelligence level? Any indications of mental illness? Any indication of personality disorder? Domestic circumstances History of intimate relationships? Current intimate relationships? Any children? Occupational history? Residential circumstances? Economic circumstances?

Article / Updated 03-26-2016

Robert Hare's Psychopathy checklist is a tool commonly used in clinical practice to assess whether an individual is a psychopath. Here are Hare’s definitions of two types of psychopath: Selfish, callous psychopaths Glibly, but superficially charming Grandiose feeling of how important s/he is Pathological liar – lies when there is no need to Manipulates others, cunning Lacks remorse or any feelings of guilt Does not really feel strongly about anything Lacks empathy Does not accept responsibility for his/her actions Deviant psychopaths Easily bored, needs excitement Feeds off other people No realistic, long-term goals Impulsive Irresponsible Lack of control over actions Behavioural problems in childhood Juvenile delinquency Different types of offending Abuses any conditions set by the courts

Article / Updated 03-26-2016

Criminality can often be linked back to an offender’s childhood. A child who exhibits three or more of the following behaviours is at risk of becoming seriously anti-social as an adult: Habitual lying Cruelty to animals Cruelty to people, especially vulnerable people Breaking into buildings or cars Destroying property, that of their own or others Deliberate fire-setting Running away from home overnight more than once Stealing more than once Frequent truancy