Prisons Across the U.S. Are Quietly Building Databases of Incarcerated People’s Voice Prints

Summary: Roughly six months ago at New York’s Sing Sing prison, John Dukes says he was brought out with cellmates to meet a corrections counselor. He recalls her giving him a paper with some phrases and offering him a strange choice: He could go up to the phone and utter the phrases that an automated voice would ask him to read, or he could choose not to and lose his phone access altogether.