Délires paranoïaques, dangerosités et homicides

Homicides committed by delusional patients in the early 20th and 21st centuries: A study conducted in a French secure unit

“…In these cases, while personal psychiatric or criminal history is rare [47,48], alcohol use disorder or major depressive episode at the time of the act can be found [47,49]. The homicide is also distinguished from schizophrenia by its organization and premeditation, the absence of overkill, and the more frequent use of a firearm [47,48,50]. Concerning the nature of delusion, homicidal patients suffering from paranoïa often express themes of claim, jealousy, interpretative delusion of Sérieux and Capgras, prejudice, conspiracy, erotomania, ideas of grandiosity, and filiation (such as a firm belief that the patient is the descendant of a particular bloodline, most often famous) [47,48].…”

“…Patients suffering from paranoia and committing a homicide are older (50 years of age on average), more often married, and without professional activity [47,48]. In these cases, while personal psychiatric or criminal history is rare [47,48], alcohol use disorder or major depressive episode at the time of the act can be found [47,49]. The homicide is also distinguished from schizophrenia by its organization and premeditation, the absence of overkill, and the more frequent use of a firearm [47,48,50].…”

“…French psychiatrists distinguish paranoia (assimilated in international literature to chronic persecutory delusion), from schizophrenia. Patients suffering from paranoia and committing a homicide are older (50 years of age on average), more often married, and without professional activity [47,48]. In these cases, while personal psychiatric or criminal history is rare [47,48], alcohol use disorder or major depressive episode at the time of the act can be found [47,49].…”

“…The main mechanism of these delusional ideas is interpretation. Delusions are systematized and seem coherent in as much as the ideas appear well organized [48]. While the international scientific literature explores the sociodemographic and clinical characteristics of homicidal individuals with mental disorders, articles that specifically detail the type of delusions, their themes, and mechanisms are rare.…”

Le psychiatre expert judiciaire et les auteurs d’homicides

“…Comme dans bien d’autres domaines, le retour d’expérience clinique constitue une précieuse source de connaissances. Ces connaissances sont nécessaires à la compréhension de la dangerosité, à celles des auteurs de crimes ainsi qu'à leur évaluation [1] , [3] , [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] , [24] , [25] , [28] , [31] , [32] , [33] , [36] , [39] , [40] , [41] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] , [51] , [52] , [53] , [54] , [55] , [56] , [57] , [58] , [59] , [60] , [61] , [62] , [63] , [64] , [65] , [66] , [67] , [68] , [69] , [70] , [71] . Dans cet entretien, un grand nom de l’expertise psychiatrique en France, Daniel Zagury, fait partager sa pratique et sa conception de cet acte ultraclinique.…”