I think he may be speaking about the below article. It's concerning the removal of thousands of people who were labeled as "fugitives" due to the FBI changing their criteria for being labeled and entered into the system as a fugitive - thus reducing the number of ineligible buyers. According to this article, it began in October under the Obama Administration.
http://www.cnn.com/2017/11/23/politi...eck/index.html