Few psychological concepts evoke simultaneously as much fascination and
misunderstanding as psychopathic personality, or psychopathy. Typically, individuals with …

Actuarial risk assessment tools are used extensively to predict future violence, but previous
studies comparing their predictive accuracies have produced inconsistent findings as a …

The development of the Psychopathy Checklist—Revised (PCL–R; RD Hare, 2003) has
fueled intense clinical interest in the construct of psychopathy. Unfortunately, a side effect of …

Since its publication, the Psychopathic Personality Inventory and its revision (Lilienfeld &
Andrews, 1996; Lilienfeld & Widows, 2005) have become increasingly popular such that it is …

The potential association between psychosis and violence to others has long been debated.
Past research findings are mixed and appear to depend on numerous potential moderators …

The present meta-analysis integrated effect sizes from 95 non-overlapping studies (N=
15,826) to summarize the relation between Hare Psychopathy Checklists and antisocial …

The concept of warning behaviors offers an additional perspective in threat assessment.
Warning behaviors are acts which constitute evidence of increasing or accelerating risk …

An open source sample of 111 lone-actor terrorists from the United States and Europe were
studied through the lens of the Terrorist Radicalization Assessment Protocol (TRAP-18). This …

Psychopathy is a personality disorder that is strongly linked to criminal behavior. Using [18F]
fallypride positron emission tomography and blood oxygen level–dependent functional …

Although psychopathy is frequently regarded as qualitatively distinct from other conditions,
relatively little research has examined whether psychopaths represent a distinct class of …