Following reports that Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE misled the Senate under oath about his contacts with the Russian ambassador, Sen. Claire McCaskill Claire Conner McCaskillDemocratic-linked group runs ads in Kansas GOP Senate primary Trump mocked for low attendance at rally Missouri county issues travel advisory for Lake of the Ozarks after Memorial Day parties MORE (D-Mo.) tweeted that she had never met with the Russian ambassador.

But another older tweet from McCaskill suggests otherwise.

I've been on the Armed Services Com for 10 years.No call or meeting w/Russian ambassador. Ever. Ambassadors call members of Foreign Rel Com. — Claire McCaskill (@clairecmc) March 2, 2017

McCaskill serves on Senate Armed Services Committee, just as Sessions did before his confirmation. Following a Washington Post report Wednesday on Sessions's contacts with the Russian ambassador, Sessions's staff has sought to position the contacts as coming in his role as a member of the Senate Armed Services committee, rather than as a member of the Trump campaign.

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McCaskill countered on Twitter that she had no reason as a member of the Armed Services Committee to meet with the Russian ambassador. But a 2013 tweet from McCaskill's account shows her headed to a meeting with the Russian ambassador to discuss a Russian ban on adoptions to the United States.

Off to meeting w/Russian Ambassador. Upset about the arbitrary/cruel decision to end all US adoptions,even those in process. — Claire McCaskill (@clairecmc) January 30, 2013

In a statement, McCaskill spokeswoman Sarah Feldman said that McCaskill's meeting was part of a meeting with multiple senators and contrasted McCaskill with Sessions.

"She did attend a group meeting about adoptions with other Senators, and had a brief proactive call with the ambassador amid calls to several other parties to the Iran nuclear deal," the statement reads. "Attorney General Sessions, on the other hand, misled the Senate under oath."

As Sessions comes under fire for his committee statements, even some Republicans have said he should recuse himself from the investigation into Russian election interference, while some Democratic lawmakers have called for his resignation.