Another source familiar with the intelligence told Fox News that Grenell is moving to declassify several pieces of intelligence in stages, with this being one part of it. Asked if former President Barack Obama's name is on the list of officials involving in unmasking Flynn, the source would not say but stressed the list would make waves.
https://www.foxnews.com/politics/grenell-declassifies-names-of-obama-officials-who-unmasked-flynn-report-says