Transcript for Accused Russian agent reaches plea deal

Now to a major new development in the case of that Russian woman accused of being a Kremlin agent running a covert operation to influence American politics. MARIA butina is now expected to change her plea to guilty after reaching a deal with the prosecutors and Kyra Phillips has more. Reporter: She's been shown as a femme fatal gaining influence with the NRA and now documents show she's pleading guilty and work with the feds. What secrets will the accused agent reveal? I'm the board member of the right to bear arms. Reporter: From alleged covert agent to cooperator, MARIA butina is preparing to switch sides. After spending months behind bars insisting she is innocent, just a gun loving graduate student who fell in love with GOP and NRA insider Paul Erickson. The couple seen here recording a duet to "Beauty and the beast" for Erickson's birthday. ??? Tale as old as time ??? Is MARIA butina a Russian agent? No. She's not. She's a student. She's a Russian national. She's a lover of America and of Russia but she is not a Russian agent by any means. Reporter: But prosecutors told a different story. Claiming she was leveraging her relationship for access to the Republican elite, even coming face-to-face with the future president. Do you want to continue the politics of sanctions? I believe I would get along very nicely with Putin, okay. Reporter: All allegedly done at the behest of a Russian banker with close ties to the Kremlin. According to the proposed plea deal, butina would promise her full cooperation with investigators which could be bad news for Erickson who is reportedly under investigation. ?????? Erickson hasn't been charged with a crime and butina is due in court on Wednesday, ultimately it's likely she will be deported back to her mother Russia. Robin. Thank you.

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