World-class biathlete Kari Swenson was on an afternoon trail run in the mountains near Big Sky, Montana in July 1984 when two men blocked her path. They were Don and Dan Nichols, a father and son pair who later became known as the “mountain men.” This story was produced by 30 for 30 Podcasts from ESPN, and reported by Bonnie Ford. Find more at 30for30podcasts.com.