Soon after Hillary Clinton turned over around 30,000 “work-related” emails to the State Department, investigators began seeking out documents that should have been classified and finding them, leading to the involvement of the FBI.

Fox News’ Catherine Herridge reports today that one of those emails contained sensitive information about Ambassador Christopher Stevens, who was killed in a Sept. 11 terrorist attack on the U.S. compound in Benghazi, Libya.

Fox News has identified two of the Benghazi-related emails on the server that were deemed to contain classified information at the time they were sent.

The first was forwarded by Clinton adviser Huma Abedin and contained classified material from military intelligence sources. The 2011 email forwards a warning about how then-Ambassador Chris Stevens was “considering departure from Benghazi” amid deteriorating conditions in a nearby city. The email was mistakenly released by the State Department in full, and is now considered declassified.

Appearing on “Hannity,” Judge Andrew Napolitano said that he himself had seen emails that contained such sensitive information.

In a briefing today, State Department spokesman John Kirby refused to answer if such emails could have put Stevens’ life in danger, saying that he wasn’t going to “get into hypotheticals.”

Let’s hope the FBI’s optimism that it can recover at least some information from Hillary Clinton’s private email server proves justified.