A doctor named Benjamin Gilmer gets a job at a rural clinic in North Carolina. He’s replaced another doctor named Gilmer – Dr. Vince Gilmer – who went to prison after killing his own father. But the more Benjamin’s patients tell him about the other Dr. Gilmer, the more confused he becomes. Everyone loved Vince Gilmer. So Benjamin starts digging around, trying to understand how a good man can seemingly turn bad. Sarah Koenig reports.