Hi, it's Helen here. Today in focus is on our summer break and in our absence, we wanted to give you the

chance to listen to this really excellent series called Missing in the Amazon. It's hosted by the

Guardian's Latin America correspondent Tom Phillips and it's from our new narrative strand, Guardian Investigates.

It's a feed where you can find all of the Guardian's award-winning narrative podcasts, plus every new series we release.

We'll see you on September 1st with the new today in focus, but in the meantime, here is episode 4.

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Previously on missing in the Amazon.

It became clear that Pelado had become a kind of a major poacher who had gradually built up a business.

And this guy, he says, I saw Don Bruno passing by, and right behind them, he said there were these

two men going after them.

Men I didn't recognize in a black speedboat.

There were these scratches on the trees,

these very specific marks.

The boat must have come crashing into the riverbank at speed

...