The FBI has issued a warning about two fake videos spreading false claims of ballot fraud and misinformation about Kamala Harris's husband.The videos, which were falsely presented as being from the FBI, did not receive significant views from real people on social media platform X.The FBI is also investigating a separate fake video showing ballots being destroyed in Pennsylvania.Experts have cautioned about the increase in misinformation and influence campaigns related to the 2024 US elections, particularly on social media.