From the section, In this Issue: "On May 22, 2017, yet another incident of mass violence shocked the world. Twenty-two people died, and many more were injured, after a suicide bomber detonated an explosive device at a concert in Manchester, England. Unfortunately, incidents such as this are becoming all too common. [...] The inclusion of emotional and psychological injury in the definition is notable. The behavioral health impacts of mass violence events can be far-reaching. [...] This special double issue of 'The Dialogue' focuses on the lessons learned from past incidents of mass violence. The authors describe how planning efforts contributed to effective community response and recovery in events across the country."
Substance Abuse and Mental Health Services Administration: http://www.samhsa.gov/
Dialogue (2017), v.13 no. 3-4