(Supermarket slave trail)

Content: A six-month Guardian multimedia investigation has, for the first time, tracked how some of the world's big supermarkets, Tesco, Aldi, Walmart, and Morrisons, are using suppliers relying on slave labour to put cheap prawns on their shelves. Slavery is back, and here's the proof.

Countries:

Genres:

Documentary

Runtime:

18 minutes

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Production companies:

The Guardian

Actors:

Narrator

Crews: