Poisoned: Killer in the Post concludes Thursday, July 10 at 9 PM on Channel 4, with journalist James Beal closing in on the figure behind a lethal online trade. The two-part investigation began Wednesday with the story of a young man who died after ingesting poison bought through a website. The final instalment now tracks the source of that substance and the wider criminal operation behind it.
Beal’s investigation connects deaths across multiple countries. At its centre is a seller accused of shipping more than 1,200 poison packages, tied to at least 97 deaths in the UK. This episode follows Beal as he continues to go undercover, tracing the digital transactions and cross-border shipments that allowed lethal substances to reach vulnerable individuals.
Along the way, he speaks with families who have lost loved ones to this global network. Their stories sharpen the documentary’s focus. What began as a single incident has grown into a forensic breakdown of how a loosely policed online ecosystem enabled mass harm.
Part 2 aims to reveal who was behind the operation and how it was allowed to operate in plain sight. Both episodes will be available to stream on Channel 4’s platform following the Thursday broadcast.
