Dunasha Payne’s first visit to Westchester was in shackles, when she was transported to Bedford Hills Correctional Facility. At the time of her arrest, she was a 21-year-old college student, an airline ticket agent, and the mother of a toddler. She doesn’t deny the crime that led her to a sentence of seven years in a maximum-security prison. But Payne does want people on the outside to understand something about the people who live hidden in their midst.