A clip that gained significant attention online, featuring Donald Trump Jr. reportedly stating on his podcast that the US should have supplied arms to Russia instead of Ukraine, has probably been created using artificial intelligence, according to audio forensics experts consulted by BBC Verify. Olga Robinson details why the audio is under question.
Produced by Jemimah Herd. Graphics by Jacqueline Galvin. Additional reporting by Shayan Sardarizadeh.