After getting a cursory look at wrongful convictions via personal accounts and extensive articles, it would then be helpful for a researcher to delve into the data surrounding wrongful convictions. Two great resources for finding accurate and up-to-date data on this subject are the Innocence Project and the National Registry of Exonerations. Further, this page of the guide also cites scholarly articles that lay out detailed and data-driven policy recommendations on best practices for law enforcement and prosecutors to implement in order to reduce the number of wrongful convictions.
The Innocence Project: Guides on the Causes of Wrongful Convictions
Below are guides from The Innocence Project explaining various factors that lead to wrongful convictions, which will be very helpful for a researcher starting to put together his or her work:
Other Helpful Resources from NRE
Other helpful information from The National Registry of Exonerations includes their dynamic graphs, yearly reports on exonerations, and resources for defendants. The site also provides a glossary to explain certain terms, and lays out the criteria necessary for a defendant to be exonerated: