“While the Department of Justice does not discuss ongoing investigations or confirm specific matters, it is important for the American people—and for those who might be thinking about leaking sensitive or classified information—to know that criminals who would illegally use their access to our most sensitive information to endanger our national security are, in fact, being investigated and prosecuted.”
https://www.justice.gov/opa/pr/attorney-general-jeff-sessions-delivers-remarks-briefing-leaks-classified-materials