The Psychopathy Checklist or Hare Psychopathy Checklist-Revised, now the Psychopathy … See more

The PCL-R is used for indicating a dimensional score, or a categorical diagnosis, of psychopathy for clinical, legal, or research purposes. It is rated by a mental health professional (such as a psychologist or other pro… See more

• Item 1: Glibness/superficial charm
• Item 2: Grandiose sense of self-worth
• Item 3: Need for stimulation/proneness to boredom
• Item 4: Pathological lying… See more

The PCL-R is widely used to assess individuals in high-security psychiatric units, prisons and other settings. This may be of help in deciding who should be detained or released, or who should undergo what kind of treatmen… See more

Among laypersons and professionals, there is confusion about the meanings and differences between psychopathy, sociopathy, antisocial personality disorder (ASPD), and the ICD-10 diagnosis, dissocial personality … See more

According to Hare, one FBI study produced in 1992 found that 44 percent of offenders who killed a police officer were psychopaths. The study was 'Killed in the Line of Duty: A Study of Selected Felonious Killings of L… See more

In addition to the aforementioned report by Cooke and Michie that a three-factor structure may provide a better model than the two-factor structure, Hare's concept and checklist have faced other criticisms.
In 2010, th… See more