The Sunday Read: ‘Opioids Ravaged a Kentucky Town. Then Rehab Became Its Business.’

Ingrid Jackson had never lived in a trailer before, or a small town. She was born in Louisville, Ky., the daughter of a man with schizophrenia who, in 1983, decapitated a 76-year-old woman. Jackson was 1 at the time. In 2010, at 27, she was…