Tortoise Investigates Episodes Available now

5. The special relationship—Who Trolled Amber?
Could a nation state have deployed an online army to fight for Johnny Depp?

6. Public enemy—Who Trolled Amber?
Johnny Depp’s maverick lawyer Adam Waldman finally comes under scrutiny.

4. Through the looking glass—Who Trolled Amber?
The astonishing case of a teenage killer helps lift the lid on how bot campaigns work.

3. Into the dark—Who Trolled Amber?
The story begins to cross continents as the team find evidence of a global campaign.

2. Gold dust—Who Trolled Amber?
The team travel to Florida in search of their first big clue.

1. Missing evidence—Who Trolled Amber?
Was Amber Heard the target of an organised trolling campaign?

Introducing... Who Trolled Amber?—Who Trolled Amber?
Alexi Mostrous investigates what happened to Amber Heard and who was responsible.

3. The movement—Dr Anti-vax
RFK Jr emerges as a new figurehead of the anti-vax movement.

2. The rock star—Dr Anti-vax
Andrew Wakefield becomes a superstar.

1. The fall—Dr Anti-vax
A British doctor sparks a global health panic about the safety of vaccines.