U.S. Navy Petty Officer 2nd Class Tyler Wiedmeyer, Armed Forces Medical Examiner System histotechnichian, looks at slides of tissues under a microscope before handing them off to a medical examiner June 6, 2019. The stained tissues help medical examiners see down to the cellular level for a diagnosis of cause of death. (U.S. Air Force photo by Staff Sgt. Nicole Leidholm)