Charlie Kirk and others have starting warning of deepfakes

Glen Beck tweeted

WARNING: DO NOT BELIEVE any video or audio that comes out in the last few days of the 2024 election, even if it fits your worldview. Deepfakes have already been used to manipulate elections around the world, usually in the last few days so there’s no time to reduce the damage.

Mark Halperin has said a shocking story is being shopped to journalists. He obviously hasn't been able to confirm it