Sen. Cory Gardner (R-Colorado) publicly confirmed Wednesday that someone sent a video of a "graphic beheading" to his wife just before he voted to confirm Judge Brett Kavanaugh as a Supreme Court justice.

In a series of tweets, Gardner urged people to end the incivility, and specifically to stop with calls to violence.

"We have our political disagreements and we should cherish the rights to express our disagreements. But when it comes to calls for violence and attempted murder and assassinations this country has gone too far and it’s time we step back from that brink," he wrote.

Fox News originally reported over the weekend that Gardner's wife received such a video. A spokesperson for Gardner confirmed to 9NEWS the details of the report, which also said someone released his family members' personal information.

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"My colleague [Sen. Michael Bennet, D-Colorado] and I were sent here to work together. We have our disagreements but we have always fought for the best for our state and I hope that every colleague of mine in Congress will do the same," Gardner said.

Gardner's staff has said they reported the threatening text to U.S. Capitol Police, which declined to say whether there is an open investigation, citing standard procedure.