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.
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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Brooke Singman is a political correspondent and reporter for Fox News Digital, Fox News Channel and FOX Business.
https://www.foxnews.com/politics/brennan-strzok-page-subpoenaed-part-federal-russiagate-probe-sources