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File information was compared for all 293 individuals found not criminally responsible due to mental illness in British Columbia between 2001 and 2005, of whom 19% had committed targeted violence. Most individuals with targeted offenses displayed at least one warning behavior before their offense (93%); all displayed delusions and approximately one third exhibited hallucinations. Compared to individuals who perpetrated non\u2010targeted offenses, the individuals with targeted offenses displayed greater proportions of threats\/criminal harassment, had female victims, displayed a psychotic disorder and\/or personality disorder, and displayed delusions during the\u00a0offense. This implies that severe psychiatric disorders do not preclude the perpetration of planned violence and suggests that exploring symptoms of mental illness that may be proximally indicative of targeted violence is important in preventing future acts.<\/jats:p>","DOI":"10.1002\/bsl.2626","type":"journal-article","created":{"date-parts":[[2023,5,3]],"date-time":"2023-05-03T17:49:30Z","timestamp":1683136170000},"page":"124-140","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Exploring the nature and prevalence of targeted violence perpetrated by persons found not criminally responsible on account of mental disorder"],"prefix":"10.1002","volume":"41","author":[{"given":"Madison","family":"F. E. Almond","sequence":"first","affiliation":[{"name":"Simon Fraser University  British Columbia Burnaby Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tonia","family":"L. 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