Diabolical - Season 3

In 2017, Federal Heights, Colorado is filled with fear when 69-year-old veteran Bill Mussack is reported missing gone without a trace. Police act fast to uncover a diabolical killer with a heinous plot, before this malicious murderer strikes again.

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.
 

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.
 

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.
 

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.
 

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.

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.

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.

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.
 

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.