“…Steenkamp et al (2011) have observed that, for many veterans, the most "haunting and impactful" war events are "those involving perceived moral transgressions" (p. 99). Studies of U.S. military veterans show that shame, guilt, and the belief that one has participated in immoral acts are significantly associated with both suicidal ideation (Bryan, Ray-Sannerud, Morrow, & Etienne, 2013;Fontana et al, 1992;Hendin & Haas, 1991) and PTSD (Fontana et al, 1992;Henning & Frueh, 1997;Rice & Sher, 2013;Steenkamp et al, 2011;Yehuda, Southwick, & Giller, 1992). Killing, especially but not exclusively the killing of civilians, is thus hypothesized to be an agent of moral injury Maguen & Burkman, 2013) that contributes to the feelings of guilt and shame underlying some posttraumatic stress, depression, and suicidality (Hendin & Haas, 1991;Shay, 2010).…”