Radelet and Bedau discuss the continuing and regular incidence of American trial courts sentencing innocent defendants to death, which was one of the problems that gave rise to the ABA's moratorium on capital punishment.
Michael L. Radelet & Hugo Adam Bedau,
The Execution of the Innocent,
61 Law and Contemporary Problems
Available at: http://scholarship.law.duke.edu/lcp/vol61/iss4/6