http://www.mentalhealth.samhsa.gov/publications/allpubs/SMA-3959/default.asp
"'This manual contains 'the basics' of what mental health providers, crime victim assistance professionals, and faith-based counselors need to know to provide appropriate mental health support following incidents involving criminal mass victimization. The manual is primarily for mental health professionals, yet all service providers will find much of the material to be useful.'"
PDF - http://www.mentalhealth.samhsa.gov/media/ken/pdf/SMA-3959/MassViolenceAndTerrorism.pdf
