Brennan, Strzok, Page subpoenaed as part of federal Russiagate probe: Sources

DOJ to take 'Russiagate' case to a grand jury

Fox News correspondent David Spunt reports on the latest in the 'Russiagate' investigation on 'Special Report.'

EXCLUSIVE: A federal grand jury has subpoenaed former CIA Director John Brennan, former FBI officials Peter Strzok and Lisa Page, among others as part of the Justice Department’s investigation into the origins of the Trump-Russia probe, Fox News Digital has learned.

Sources told Fox News Digital Brennan; Strzok, the FBI’s former deputy assistant director of counterintelligence; and Page, a former FBI lawyer, were served with federal subpoenas on Friday.

John Brennan, Former CIA Director; NBC News Senior National Security and Intelligence Analyst, appears on "Meet the Press" in Washington, D.C., Sunday, April 15, 2018.  (William B. Plowman/NBC/NBC Newswire/NBCUniversal via Getty Images)

Law enforcement sources told Fox News Digital that up to 30 subpoenas will be issued in the coming days relating to the investigation.

(Chip Somodevilla / Staff ANDREW CABALLERO-REYNOLDS / Contributor)

The grand jury is out of the Southern District of Florida. U.S. attorney for the Southern District of Florida Jason Reding Quiñones is supervising the probe.

Fox News Digital first reported in July that Brennan and former FBI Director James Comey were under investigation.

Former FBI Director James Comey testifies before the Senate Intelligence Committee about his interactions with President Donald Trump and the Russia investigation on June 8, 2017, in Washington, D.C. (Cheriss May/NurPhoto via Getty Images)

Comey has been charged with making false statements and obstruction of a congressional proceeding. He has pleaded not guilty. His trial is expected to begin in January.

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This is a developing story. Please check back for updates.

Brooke Singman is a political correspondent and reporter for Fox News Digital, Fox News Channel and FOX Business.