Espionage Act of 1917
The WikiLeaks founder earlier this week avoided being extradited to the U.S. where he is wanted on charges of violating the Espionage Act.
Press freedom advocates warn the government's latest charges could have dangerous implications for journalism.
Daniel Everette Hale, 31, was arrested on charges that include violating the Espionage Act and stealing government property.
Winner is the first to be convicted in the Trump era for disclosing classified documents to the media.
She's expected to accept a plea deal over disclosure of a memo that gave proof of Russia's 2016 meddling in the presidential election.