donald trump mar a lago super tuesday
Republican presidential candidate former President Donald Trump greets supporters at Mar-a-Lago in Palm Beach, Florida.
  • Donald Trump is suing the Pulitzer Prize Board for awarding coverage of his ties to Russia.
  • The board said two independent reviews concluded the prizes should stand.
  • In depositions, his lawyers are seen hunting for the identities of those anonymous reviewers.

In an overlooked lawsuit, Donald Trump's lawyers are exhibiting a habit from his White House days: Hunting for anonymous sources.

In transcripts of four depositions obtained by Business Insider, Trump's attorneys had the opportunity to question journalists about a mystery that has vexed them for years: Who are the anonymous consultants who reviewed the Pulitzer Prizes awarded to The New York Times and The Washington Post for their coverage of Trump's connections to Russia?