- The charge against Flynn is the first in Mueller's probe that has reached someone in the Trump White House
- The charges mark yet another stunning downfall for Flynn
Washington (CNN)Former Trump national security adviser Michael Flynn pleaded guilty Friday to lying to the FBI about conversations with Russia's ambassador and disclosed that he is cooperating with the special counsel's office.
Calls made during transition
'This is a win for the White House'
Stunning downfall for Flynn
Talking about sanctions
Warnings before Trump took office
Payments from Russian businesses
Flynn's son also faces scrutiny
CNN's Jim Acosta, Gloria Borger, Sara Murray, Joe Johns, Dana Bash, Pamela Brown, Kara Scannell and Dan Merica contributed to this report.