In 1969, a plan to show support for an anti-racism protest turned the lives of 14 promising

black student athletes upside down.

Amazing sports stories from the BBC World Service tells their story.

Search for Amazing Sports Stories, wherever you get your BBC podcasts.

It all began with a 49 second audio clip which sounded a lot like the mayor of Mexico City.

It sparked a debate about whether what you just heard is real or fake and whether a new law should be introduced to control the spread of AI generated content in Mexico.

That's how the editorial team sort of decided to prioritize it because it was going viral at the time and it had a big impact on the political context of this ongoing electoral process.

Many people start to believe

that it was leaked from the inside,

it was an inside job.

I'm Jack Goodman, and in this episode of the documentary from BBC Trending I'll be trying to establish the truth behind an audio deep fake scandal.

The ability today to synthesize highly realistic human voice is really impressive.

And if we were having this conversation a year ago, I would have told you, yeah, you can't do that.

You can't call on the person's voice that realistically.

I'll be speaking to one of the world's leading experts in detecting fake content created

using artificial intelligence or AI.

What can we learn from him about the developments and stumbling blocks within this

emerging field and what could all this mean for the coming year when about half

of the world's adults will be heading to the polls in elections including in

India, the US and Mexico.

It's a big year for elections, it's also a big year for generative AI.

This is the perfect storm.

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