Trump — after a fierce campaign against Clinton in which he called for her to be jailed for her handling of classified material — signed a law in 2018 that stiffened the penalty for the unauthorized removal and retention of classified documents from one year to five years, turning it into a felony offense.

The former chief of the Justice Department’s national security division said Tuesday that the FBI warrant for the search of Donald Trump’s Mar-a-Lago home in Palm Beach, Fla., suggests prosecutors believe they have probable cause that there may have been violations of the World War I-era Espionage Act.

That law has traditionally been used to target government leakers, such as former NSA contractor Edward Snowden. But it also “actually has provisions that apply to essentially the mishandling [of classified material] through gross negligence, permitting documents to be removed from their proper place, or to be lost, stolen or destroyed,” Mary McCord, a veteran federal prosecutor who headed DOJ’s national security division in the closing years of the Obama administration, told the Yahoo News “Skullduggery” podcast.

McCord said that the Espionage Act is one of two federal crimes that prosecutors may be focusing on in their warrant to search Trump’s home. The other, she said, is another federal statute that targets anyone who “willfully and unlawfully conceals, removes, mutilates, obliterates, falsifies or destroys public records.”

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“Are we worried that some of this information would actually be shared outside of Mar-a-Lago, potentially with foreign adversaries? I’d be really concerned about that,” she said.