Sources: the FBI searched WaPo reporter Hannah Natanson's home, as part of what officials called an investigation into possible sharing of government secrets (New York Times)
New York Times:
Sources: the FBI searched WaPo reporter Hannah Natanson’s home, as part of what officials called an investigation into possible sharing of government secrets — It is exceedingly rare, even in investigations of classified disclosures, for federal agents to search a reporter’s home.