In the wake of the FBI raid on former U.S. president Donald Trump’s Mar-a-Lago estate in Florida earlier this month, more details have emerged about what federal agents are investigating, including potential violations of three different federal laws, one of which is the Espionage Act. One unsealed document shows that the FBI seized 11 sets of classified documents, including some with the special designation of “sensitive compartmented information,” a category meant to protect the country’s most important secrets. Today, we’re speaking to Aaron Blake, senior political reporter for the Washington Post, about what we’ve learned since the law enforcement agency's search, and what we still don’t know.