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.
William Heirens, left, is taken into custody for 3 murders. He confessed in 1946, but now says he was coerced. Dixon, Illinois (CNN) -- William Heirens, the Lipstick Killer, is believed to be the longest-serving inmate in the United States. He turns 81 on November 15.