A former deputy Palm Beach County sheriff who fled to Moscow and became one of the Kremlin’s most prolific propagandists is working directly with Russian military intelligence to pump out deepfakes and circulate misinformation that targets Vice President Kamala Harris’s campaign, according to Russian documents obtained by a European intelligence service and reviewed by The Washington Post. The documents show that John Mark Dougan, who also served in the U.S. Marines and has long claimed to be working independently of the Russian government, was provided funding by an officer from the GRU, the country’s military intelligence service. Some of the...