Horizon: Season 0, Episode 23 - ProjectFreeTV

0 - 23: BSE: The Invisible Enemy

First part of a two-part investigation into BSE. Looks into the scientific confusion and official bungling surrounding the problem, which allowed BSE to spread into the human population. Includes an interview with Sir Richard Southwood, Chairman of the first Government advisory committee, who reconsiders evidence they first weighed up in 1988.