Russia behind Walz deepfake video, US intelligence community officials say Fox NewsU.S. officials say Russia smeared Tim Walz, might stoke post-vote violence The Washington PostUS intel assesses Russian operatives behind fake video trying to smear Tim Walz CNNRussian disinformation groups promoting false claims about Gov. Tim Walz, experts say CBS NewsU.S. intel officials say Russia is behind attempts to smear Tim Walz NPR