Maurice Possley is the Senior Researcher for the National Registry of Exonerations. He is a Pulitzer Prize-winning journalist and author of five non-fiction books. He worked for the Chicago Tribune for 25 years, where he investigated cases of wrongful conviction and wrongful execution as well as systemic problems in the criminal justice system. In 2009, he joined the Northern California Innocence Project to research and co-author a report on prosecutorial misconduct in California. He joined the Registry in 2012 and is responsible for researching and writing case summaries of exonerations. He has written more than 2,500 summaries.