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WASHINGTON, DC - FEBRUARY 01:  National Security Adviser Michael Flynn answers questions in the briefing room of the White House February 1, 2017 in Washington, DC. Flynn said the White House is "officially putting Iran on notice" for a recent missile test and support for Houthi rebels in Yemen.  (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - FEBRUARY 01:  National Security Adviser Michael Flynn answers questions in the briefing room of the White House February 1, 2017 in Washington, DC. Flynn said the White House is "officially putting Iran on notice" for a recent missile test and support for Houthi rebels in Yemen.  (Photo by Win McNamee/Getty Images)

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    What you need to know about Michael Flynn

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What you need to know about Michael Flynn

Former national security adviser Michael Flynn is willing to testify before federal and congressional investigators in their ongoing probe into Russian meddling in the US elections, but only if he is granted immunity. CNN's Randi Kaye reports.

What you need to know about Michael Flynn

Former national security adviser Michael Flynn is willing to testify before federal and congressional investigators in their ongoing probe into Russian meddling in the US elections, but only if he is granted immunity. CNN's Randi Kaye reports.