A 32-year-old military veteran presents with PTSD symptoms 2 years after a combat deployment, including intrusive memories of an IED explosion, nightmares, hypervigilance, and avoidance of crowded places. He tried supportive counseling for 6 months without improvement. His therapist recommends a trauma-focused treatment and discusses options. He asks about the difference between Prolonged Exposure (PE) therapy and EMDR.