How we detect AI images and videos - in 90 seconds

We report on AI-generated images and videos almost every day at BBC Verify. Fake and manipulated content is becoming increasingly sophisticated so it's more difficult than ever to separate it from what is real.

But how do we know when something is AI-generated? BBC Verify's Thomas Copeland explains four methods we use to identify the fakes.

Produced by Aisha Sembhi. Graphics by Jacqueline Galvin.