When a neighbor found an Iowa farmer lying in a field with what looked like a bullet hole in his back, he called 911 and triggered a series of events that solved a mystery and saved a life. The ordeal involved teams of medical experts in two states, emergency innovations at Mayo Clinic and even a mysterious stranger who arrived on the scene to help, but hasn't been seen since. Viv Williams tells the story in this Health Fusion medical mystery.

https://www.postbulletin.com/podcasts/health-fusion