FBI informant charged with lying about Bidens and Burisma
- Former FBI informant Alexander Smirnov, 43, charged with lying about Bidens' Ukraine business dealings
- Faces charges of lying to FBI and creating false records related to Burisma Holdings
- Arrested at airport in Las Vegas after arriving in US from overseas
- Initial court appearance scheduled for Thursday afternoon
- Special counsel David Weiss brought the charges against Smirnov