Watch as it takes investigators over a year to uncover the dark obsession that led to her murder.

Watch as it takes investigators over a year to uncover the dark obsession that led to her murder.

A foursome, a stripper, and a biker, is just the beginning for investigators of this massage table homicide. And everyone is shocked as a secret fetish for murder is revealed.

A foursome, a stripper, and a biker, is just the beginning for investigators of this massage table homicide. And everyone is shocked as a secret fetish for murder is revealed.

A single mom is found shot and stabbed in her kitchen. Multiple suspects emerge but the true mastermind of this murder hits closer to home than anyone expected.

A single mom is found shot and stabbed in her kitchen. Multiple suspects emerge but the true mastermind of this murder hits closer to home than anyone expected.

What started as a perfect marriage evolves into a questionable threesome. Soon one of them winds up dead, but the killer who rocked this trio is no one that investigators saw coming.

What started as a perfect marriage evolves into a questionable threesome. Soon one of them winds up dead, but the killer who rocked this trio is no one that investigators saw coming.

When a psychic and her daughter are found killed under bizarre circumstances, the list of suspects grows long as investigators discover that male escorts, blackmail, fraud and love spells all played a role in the crime.

When a psychic and her daughter are found killed under bizarre circumstances, the list of suspects grows long as investigators discover that male escorts, blackmail, fraud and love spells all played a role in the crime.

A mom turns to the internet to try and cope after an unexpected tragedy but when she gets pulled into the underbelly of the BDSM world and then disappears, investigators spend over a year unraveling this dark mystery.

A mom turns to the internet to try and cope after an unexpected tragedy but when she gets pulled into the underbelly of the BDSM world and then disappears, investigators spend over a year unraveling this dark mystery.

A loving grandmother from a traveling community is found brutally murdered, shocking all. Investigators soon uncover a web of lies, identity theft and millions in insurance fraud that point to who killed this sweet old lady.

A loving grandmother from a traveling community is found brutally murdered, shocking all. Investigators soon uncover a web of lies, identity theft and millions in insurance fraud that point to who killed this sweet old lady.

When a man is shot dead in bed, right next to his fiancee, detectives learn that just because you think you're done with your past, that doesn't mean your past is done with you.

When a man is shot dead in bed, right next to his fiancee, detectives learn that just because you think you're done with your past, that doesn't mean your past is done with you.

A young mother is brutally murdered, but despite unique evidence at the scene, it would take years to put the pieces together and bring her killer to justice.

A wealthy entrepreneur is shot in his home. Suspects are plenty, but with only suspicion to go on, it takes investigators over 7 years to nab his killer.

Lust and greed are at the core of this case of a wife and mother who is found dead in her pool. Investigators are quick to uncover a web of affairs, lies, and fraud that lead them to her killer.

A single mother is found dead in a hotel stairwell and detectives quickly uncover that she had a secret life that may have led to her demise.

When a local police officer goes missing, it quickly becomes apparent that even those whose job it is to protect and serve are not immune from the wrath of jealousy.

With little evidence to go on, investigators embark on a multi-year surveillance operation to see if they can prove their instincts are correct.

A beloved entrepreneur is murdered in his office. A secret double life is quickly revealed, and despite mountains of suspicion, lies and motives, his killer is not who you'd assume.

A man is found dead in the shower, and police have only two suspects, but to figure out who killed him and why is not as cut and dry as it may seem.