Andrew Kaczynski, who tracked down the author based on clues from his reddit history, has also broken a number of stories by personally reviewing hundreds of hours of archives, such as those of Trump on the Howard Stern show. He is one of the most innovative journalists working today [0], comparable in impact to the Pulitzer-winning crowd-sourcing methods used by David Farenthold to break the news about Trump's lies around his philanthropy [1].
[0] https://www.nytimes.com/2016/10/16/style/andrew-kaczynski-bu... [1] https://www.washingtonpost.com/lifestyle/style/washington-po...