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The Last Witness

The Last Witness - 5. A Can of Worms

The film star Michael Sheen digs around dumps, as communities wonder what’s hidden nearby.

• 14 mins

The Last Witness

The Last Witness - 6. Off the Scale

Dan and Lucy test the earth, and discover whether Douglas’ prophecy has come true.

• 14 mins

The Last Witness

The Last Witness - 7. On Your Plate

Scientists warn ‘something out there’ is causing illness. Could it be PCBs in our food?

• 14 mins

The Last Witness

The Last Witness - 8. The Case for Douglas

Douglas warned of a chemical cover-up. Could it be true? What do those in power know?

• 14 mins

The Last Witness

The Last Witness - 9. The Case Against Douglas

A friend casts doubt on Douglas’ honesty. Could he have lied? It's time to test Douglas.

• 15 mins

The Last Witness

The Last Witness - 10. The Apex Stone

Douglas’s death provides answers about his life - and what he really uncovered.

• 17 mins