In March, Sen. Claire McCaskill was unambiguous. The Missouri Democrat said she never once met with Russian Ambassador Sergey Kislyak in her 10 years serving on the Senate Armed Services Committee.

“No call or meeting w/Russian ambassador. Ever,” McCaskill tweeted. “Ambassadors call members of Foreign [Relations Committee].”

Soon after that tweet, it was revealed she did interact with the Russian ambassador.

And now, CNN has learned, McCaskill spent an evening at a black-tie reception at the ambassador’s Washington residence in November 2015.

McCaskill was photographed at the event, honoring former Democratic Rep. James Symington, who hails from her state of Missouri and worked to promote US-Russia relations.