“…Early research on barricaded hostage events focused on the characteristics of the offenders, the psychological impact of the events on the captives and their families, and the crisis negotiation strategies (Cremniter et al, 1997;Giebels, Noelanders, & Vervaeke, 2005;Parfitt, 2004;Regini, 2002;Vecchi, Van Hasselt, & Romano, 2005;Wilson, 2000). More recently, Daniels, Royster, Vecchi, and Pshenishny (2009) studied 19 barricaded hostage events in U.S. schools, and Daniels et al (2007aDaniels et al ( , 2007b qualitatively examined school-barricaded hostage events that were successfully resolved. Findings from these studies suggest that the following variables are important to successful resolution: developing positive connections with students; creating a safe environment; having school personnel be present throughout the school; possessing an awareness of conditions in and around the school; communicating with the subject in a calm, nonconfrontational manner; negotiating the release of captives; training; and clear communications with other professionals before, during, and after the incident (Daniels et al, 2007b).…”