EDTA is a chemical that is added to certain foods and beverages to help them keep their color and flavor. For instance, it is sometimes added to: 1  Sodas. 2  Canned fruits and vegetables. 3  Non-nutritive sweeteners. 4  Condiments such as mayonnaise. 5  Salad dressings.
Herman Wallace was serving a 50-year sentence for armed robbery when he was convicted, along with fellow inmate Albert Woodfox, for the murder of a prison guard at the Louisiana State Penitentiary in 1972. Wallace spent 41 years in solitary confinement.
A condensed and updated version of our FAQ in PDF form, suitable for downloading, photocopying, and distribution, can be found here: What is solitary confinement? Solitary confinement is the practice of isolating people in closed cells for 22-24 hours a day, virtually free of human contact, for periods of time ranging from days to decades.