Investigation Discovery +1 Tuesday

After the murder of young mother Morgan Ashlye Fox, investigators don't have much physical evidence to go on. Digital evidence reveals the secrets of a monster

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home

The case of single woman Rhonda Smith, who relied on the kindness of strangers at her new church. However, one of them strayed from the path of righteousness and betrayed her

The case of Jeffrey Marsalis, who had both charm and good looks but was a sexual predator and would take women on dates and drug them

The case of 30-year-old US Airways employee Nikki McPhatter, who was shot dead by Theodore Manning in May 2009 while visiting his home to end their relationship

The murder of 28-year-old interior designer Michael Sandy, who loved meeting people on the internet. Police believed one of the online strangers might be the person who killed him

How, one New Year's Eve, a home invasion led to two murders. Police believed the murderer committed a crime of passion after looking at one victim's social media

The case of Sueanne Hobson, whose relationship with her 13-year-old stepson deteriorated so badly that she decided persuaded her own son and one of his friends to kill him

The case of Patti Donahue, who married a man with three children and proceeded to turn their lives into a nightmare that ended in murder

The fatal shooting of Gayle Isleib in 1996 by co-worker Tyrone Montgomery, who had become obsessed with her

The rape and murder of Alice Hufnagle in 2002. Police initially questioned her estranged husband, but clues eventually led to her colleague at a local pharmacy

A case in which a police officer was found dead in Illinois, but sordid details of the deceased cop's secret life began to emerge

A case in which LAPD investigators hunted a criminal behind the disappearance of expensive yachts, only to find the inquiry lead to much more than bat theft

Two young women who vanished after venturing out alone at night. Clues from behind bars were employed to solve their mysterious disappearance

The case of a promising young athlete, found shot to death. His family began a relentless hunt for justice

Heather terrorises her siblings David and Crystal from a young age. Later, they hope she'll change when she becomes a mum, but she only gets worse

The signs of psychopathy lurk in all humans - grandiosity, sadism, superficial charm, manipulation, lack of empathy, or having a parasitic lifestyle.

The 1931 rape and beating of Thalia Massie, the wife of a US naval lieutenant serving in Honolulu. Many still believe that Joe Kahahawai Jr was falsely accused of responsibility

How a self-made, retired mogul's days in the sun were numbered when his relationship soured. Plus, how a well-loved lawman became ensnared in web of lies

How a successful couple's lust for fame ended in anguish. Plus, the Amish husband's unholy secret that led to murder

A case in which a police officer was found dead in Illinois, but sordid details of the deceased cop's secret life began to emerge

A case in which LAPD investigators hunted a criminal behind the disappearance of expensive yachts, only to find the inquiry lead to much more than bat theft

Two young women who vanished after venturing out alone at night. Clues from behind bars were employed to solve their mysterious disappearance

The case of a promising young athlete, found shot to death. His family began a relentless hunt for justice