…S. Departments of Education and Justice; Graham, J., S. Shirm, R. Liggin, M. E. Aitken, & R. Dick, 2006, Mass-casualty events at schools: A national preparedness survey, Pediatrics, 117(1), 8–15; Heron, M., & B. Smith, 2007, Deaths: Leading causes for 2003, National vital statist…