A State Department audit found Hillary Clinton and previous secretaries of state at fault for their use of private email. 

A copy of the report was obtained by the Associated Press this morning.

AP reported

It cites "longstanding, systemic weaknesses" related to communications. These started before Clinton's appointment as secretary of state, but her failures were singled out as more serious.

The review came after revelations Clinton exclusively used a private email account and server while in office. Clinton is now the likely Democratic presidential nominee.

The 78-page report says the department and its secretaries were "slow to recognize and to manage effectively the legal requirements and cybersecurity risks associated with electronic data communications, particularly as those risks pertain to its most senior leadership."

Sen. Jeff Sessions (R-AL) reacted on America's Newsroom, highlighting the fact that the audit also criticizes Clinton for failing to turn over her emails promptly. 

Sessions called that "totally unacceptable" and contrary to Clinton's claims that she has been fully cooperating. 

"This is the kind of troubling event that casts credibility doubts over Hillary Clinton. ... I am very troubled by this whole process," he added.

Watch the interview above and stay tuned for more on this developing story throughout the day on Fox News Channel.

Read more on the audit at FoxNews.com.

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