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In the days after Australia’s worst mass shooting since Port Arthur, a wave of misinformation spread on social media. A video of Australian Federal Police Commissioner Chrissie Barrett claiming to have arrested four Indian nationals with the Guardian watermark on the screen was actually a deepfake created from real video of a press conference given by Barrett on December 18. The video was flagged by online factcheckers, but not before receiving hundreds of thousands of views. As Guardian Australia technology reporter Josh Taylor points out, these deepfakes are becoming easier to create