The two-part documentary, which first aired on Fox Nation in America in 2024, arrived on Channel 4 in 2025 and is now available to stream free of charge.
The series investigates Todd Kohlhepp, an American serial killer whose disturbing Amazon product reviews hinted at his violent acts. According to Channel 4's synopsis: "The shocking story of American serial killer Todd Kohlhepp, who often linked his violent crimes to his reviews on Amazon."
The programme features commentary from experts including Dr Eric Hickey and pieces together how Kohlhepp's online footprint helped expose his crimes.
Viewers Just Discovering the Series
Some true crime fans are only now finding the show. On TikTok, one viewer said: "This true crime documentary series looks into a disturbing serial killer." They added: "I have just recently watched this documentary and I've got to say it is a gripping and fascinating watch, but like I said disturbing and extremely sad in parts."
Other fans have also been sharing their responses. One described it as "wild", while another wrote "I'll definitely give this a watch, haven't seen them yet." A third commented "Not heard of this one." A fourth admitted they had "added it" to their watch list.
Positive Reviews for the Documentary
The series has earned praise on IMDb. One reviewer wrote: "This plot is a masterclass in crafting a narrative that grips the audience from start to finish." They later added: "The intertwining of high-profile missing person cases with Kohlhepp's disturbing online footprint adds a layer of complexity and urgency, keeping viewers on the edge of their seats."
Another reviewer said: "'The Amazon Review Killer' is a gripping true-crime documentary that exposes the shocking case of a seemingly ordinary online reviewer who turned out to be a cold-blooded murderer." They continued: "The film meticulously pieces together his double life, showing how he gained trust through detailed product reviews while hiding a sinister reality beneath the surface."
Trailer and Streaming Details
Fox Nation's previously released trailer teased: "Uncover this thrilling documentary series that reveals the gruesome real-life crimes of Todd Kohlhepp with the chilling Amazon product reviews he left, which foreshadowed his actions."
The Amazon Review Killer can be streamed on Channel 4 online.
