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TV series
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Diabolical

2018 · 3 seasons

A chilling, methodical true-crime procedural that dissects premeditated murders through expert profiles, leaving a lingering unease about the darkness hiding behind ordinary faces.

Genres
Crime, Documentary
Overview
Like trying to decipher the value of a book without ever opening it, judging a person by his or her outward appearance can be a mistake. Someone may look perfect on the outside, but even the most kind-hearted soul has a dark side looming. "Diabolical" is a docuseries that delves into the minds of murderers, asking a simple question: "Why did they do it?" The acts were committed with extreme premeditation -- many were months or even years in the making. Tension builds in each episode as law enforcement taps into the methods of devious masterminds, aided by insights from forensic psychologists and psychiatrists as well as criminal profilers.
How it feels
Measured and needs your attention.
About
Crime, deception, obsession, betrayal
Content
Mild violence, gore, sexual content and language.
Note
Written by AI, so it can be wrong. Full breakdown

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Stream in the US
  • HBO Max Amazon Channel
  • Philo
  • Discovery+ Amazon Channel
More options Data from JustWatch
Genres
Crime, Documentary
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How it feels

Written by AI. It can be wrong.

Full breakdown
Tone
    Pacing
    measured, 2 of 4, from slow-burn to relentless
    Attention
    engaged, 3 of 4, from background-friendly to demanding
    Places
    None
    Era
    contemporary
    Audience
    adult
    Content intensity
    • Gore mild
    • Language mild
    • Violence mild
    • Sex mild
    All scales, 0 to 10
    Scales, 0 to 10
    ScaleValue0 to 10
    Action2
    Horror4
    Humour1
    Realism9
    Romance1
    Tension6
    Darkness7
    Complexity5
    Emotional weight6

    Cast

    Where to watch in the US

    Change country

    Stream
    • HBO Max Amazon Channel
    • Philo
    • Discovery+ Amazon Channel
    • YouTube TV
    • Investigation Discovery
    Free
    • The Roku Channel
    • Spectrum On Demand
    • Plex
    • Tubi TV
    Buy
    • Amazon Video
    • Apple TV Store
    • Google Play Movies
    • Fandango At Home

    Streaming data from JustWatch.All options on TMDB

    Details

    Genres
    crime, documentary
    Created by
    Andrea de Brito, Christian Faber
    Written by
    Rebecca Ratliff Cameron
    Starring
    Ross Huguet, William Cataldo, Kerrie Droban, Leslie Rule
    Cinematography
    Bill Keller, Martin Filfil
    Length
    3 seasons, 30 episodes, 42 min each
    Network
    Investigation Discovery
    Country
    Canada, United States of America
    Languages
    English

    TMDBIMDb