The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. May 1, 2014 Study: 1 in 25 Death Row Prisoners Innocent -------------------------------------------- A new study says about one in 25 people sentenced to death in the United States is innocent. The National Academy of Sciences looked at data over three decades. 340 people were wrongfully sentenced to die — more than double the number of death-row prisoners exonerated over the same time period. .