An ex-FBI informant accused of lying about President Joe Biden and his son Hunter has high-level ties with Russian intelligence, US prosecutors say.
The allegations against Alexander Smirnov, 43, were outlined in new Department of Justice filings in the case on Tuesday.
Mr Smirnov is accused of lying when he claimed bribes were paid to the Bidens via a Ukrainian energy firm, Burisma.
Read more: https://www.bbc.com/news/world-us-canada-68353303
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