9. Access Denied

A young researcher gains access to a secretive data set and discovers something shocking.
What happens when a system designed to help people harms them instead?
Hannah Fry tells a tale about the mysterious realm of artificial intelligence.
Episode Producers: Lauren Armstrong-Carter and Clem Hitchcock
Sound Design: Jon Nicholls
Story Editor: John Yorke
A series for Radio 4 by BBC Science in Cardiff.