Dr Nikki Jamieson is a social worker and suicidologist with a PhD focusing on moral injury and suicide prevention. Dr. Jamieson shares her personal journey, including her son's tragic suicide while in the Australian Defence Force, and how it propelled her into the field of suicidology and moral injury research. She discusses her PhD work, the concept of moral injury, and the need for better understanding and support mechanisms for veterans and those in high-trauma occupations. Dr. Jamieson also highlights her advocacy work, involvement in the Royal Commission on Defence and Veteran Suicide, and the importance of postvention care. The conversation delves into the differences between PTSD and moral injury, the potential for preventive measures, and the various therapeutic approaches that can aid individuals suffering from moral injury.