“…There is clear evidence that substance (alcohol or illicit drug) misuse is a major risk factor for violence in individuals with mental disorder (Lindqvist and Allebeck, 1989;Swanson, Holzer, Ganju and Jono, 1990;Hodgins, 1992;Swanson, 1993;Smith, Frazer, Boer and Donovan, 1994;Swanson, 1994;Eronen, Tiihonen and Hakola, 1996;Fulwiler, Grossman, Forbes and Ruthazer, 1997;Tiihonen, Isohanni, Rasenen, Koiranen and Moring, 1997;Scott et al, 1998;Steadman et al, 1998;Wheatley, 1998;Soyka, 2000;Monahan et al, 2001). Despite this, until recently, there was a dearth of research on substance misuse in high security hospital patients.…”