According to the Answering the Call survey conducted by Beyond Blue (2018), first responders have 10 times higher rates of workers compensation claims than that in the entire Australian workforce. Further, first responders have higher rates of PTSD than that reported in the Australian Defence Force (ADF, Beyond Blue, 2018). First responders and in particular, police officers who suffer from PTSD have a different presentation than many, including ADF clients, who suffer from PTSD. Police officers suffer from cumulative trauma (prolonged and repeated exposure to trauma) which is generally more severe, as it mostly goes unnoticed and untreated (Thier, 2017). Most police officers do not seek treatment until their symptoms are so severe, they are barely functioning. The symptoms of PTSD and cumulative PTSD are similar, however the accumulation of the trauma combined with an often unsafe and unsupportive work environment, leads to treatment being very different from the more general PTSD (Pierce, 2018), and is a longer road to recovery. As police officers are repeatedly exposed to trauma, they often experience anger and guilt, consistent with moral injury. Moral injury has predominantly been explored in military populations, however police officers also experience moral injury (Simmons-Beauchamp & Sharpe 2022). As there is a great deal of overlap between PTSD and moral injury symptomology, moral injury is often overlooked in clinical settings. This presentation will focus on moral injury in police officers, and look at the core features and differences between PTSD and moral injury, and how this effects treatment in this population.