Oral history interview with Gregory Koehler conducted by Claytee D. White on May 15, 2019 for the Remembering 1 October Oral History Project. Koehler begins talking about his family, early life, and occupation. He explains the line of jobs he has had, his history with firefighting, and how he moved to Las Vegas, Nevada in 2003. Koehler then recalls how he had attended the Route 91 Festival concert and the events that unfolded during the shooting. He describes what he saw, felt, and how he tried to help the people who were shot. Lastly, he talks about the aftermath of the event and the struggles he had gone through.