Poisoned: Killer in the Post (Documentary, English)
Status: Running
Premiered: 2025-07-09
Network: Channel 4
Country: GB
Airs on: Wednesday, Thursday
Air time: 21:00
Runtime: 60 minutes
The investigation into a British man's death leads to a dark online world of suicide forums, and the pursuit of an online vendor selling lethal poison to over a thousand young people.