There was a study published in 2014 that estimated that the false conviction rate for defendants sentenced to death was at least 4.1% (https://www.pnas.org/cont

There was a study published in 2014 that estimated that the false conviction rate for defendants sentenced to death was at least 4.1% (https://www.pnas.org/content/early/2014/04/23/1306417111 https://www.pnas.org/content/early/2014/04/23/1306417111)