7.3
14 votes
Diabolical

Diabolical

Investigation Discovery 2013

Perfect on the outside, mental on the inside. Even the most kind-hearted people have a dark side looming. Diabolical looks at the minds of murderers with the question: "why did they do it?" Take a trip through the picture-perfect life and see the events that lead to a brutal murder. The tension builds throughout each episode as you dive deeper into the psychological workings of the murderer. With key insights from forensic psychologists and psychiatrists along with criminal profilers, a full analysis of the behavioral underpinnings and key moments in each crime will be on display. Diabolical shows how much people can conceal, until they blow.

Warning: the following content contains spoilers!

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The 10 Best Episodes of Diabolical (Season 4)

#1 - Devil Wear False Eyeslashes (Season 4 - Episode 7)

Three men die over a span of a dozen years, with no suspicion of wrongdoing and no files charged; but when a deadly car explosion rips through downtown Pensacola, Fla., a new investigation begins; all suspicion points toward just one person.

The episode was rated 7.84 from 19 votes.

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#2 - Daddy's Little Nightmare (Season 4 - Episode 1)

"Daddy's Little Nightmare" In 2017, Federal Heights, CO., is feared when 69 yr old Bill Mussack is missing and gone without a trace. Police act fast to uncover a killer with a heinous plot before the evil-minded murderer strikes again.

The episode was rated 7.80 from 20 votes.

#3 - Evil Sister Act (Season 4 - Episode 10)

When Samuel Johnson Jr. suddenly vanishes, investigators find themselves face-to-face with two sisters who know something; through a series of interrogations, they reveal an elaborate murder plot meticulously engineered by a puppeteer.

The episode was rated 7.74 from 19 votes.

#4 - Sins Of A Mother (Season 4 - Episode 5)

In 1994, Lake Orion, Michigan is rocked by a vicious murder. At first, the crime is a mystery. But in a small town where everyone knows each other, rumors start flying. Soon, police expose a strange and twisted plot that no one saw coming.

The episode was rated 7.71 from 17 votes.

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#5 - Caught in the Cover-Up (Season 4 - Episode 8)

In West Bloomfield, Mich., a simple affair between two coworkers turns complex as the two lovers are willing to do anything, even commit murder, to protect their darkest secret.

The episode was rated 7.70 from 20 votes.

#6 - Hands That Rob The Cradle (Season 4 - Episode 2)

In early 1980, two eerily similar crimes occur 400 miles apart. They both leave young mother dead and an infant child stolen. Years later, police unravel a plot so cold-blooded, it leaves everyone even seasoned homicide detectives in utter shock.

The episode was rated 7.67 from 15 votes.

#7 - Killer Track Record (Season 4 - Episode 9)

Three women die of the same mysterious illness, the hunt is on to prove their deaths are no accident. Investigators don't know that they are being played for fools by a killer lurking undetected. There's only one woman who can bring him down.

The episode was rated 7.59 from 22 votes.

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#8 - Masking Evil (Season 4 - Episode 3)

A burning car is found by the side of a highway on the same night a single mother of two is reported missing. These two events are connected, and connecting the dots will lead investigators to a notorious criminal who has been hiding in plain sight.

The episode was rated 7.58 from 19 votes.

#9 - Lie For Me (Season 4 - Episode 4)

Air Force veteran Michael Giles disappears along with his savings of $206,000. Detectives discover a woman named Kwaneta Harris has been draining the man's accounts. But as they dig deeper, detectives uncover a massive conspiracy of greed and murder.

The episode was rated 7.53 from 17 votes.

#10 - Teach Me To Kill (Season 4 - Episode 6)

In Las Vegas, a beloved father of four is found dead in his car; he's been bound, gagged, and asphyxiated; witnesses lead detectives to a local man named John Brian Ray, but this troubled man is just a pawn in the game of a criminal mastermind.

The episode was rated 7.48 from 21 votes.

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Last updated: jan 02, 2023

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