The investigation into the death of a pregnant woman just months after she wed her high school sweetheart reveals secret lives and feuds.

20 years after an attractive young nurse was murdered in her studio apartment, authorities try to piece together what little evidence that remains to solve the cold case, including a necklace that was broken and a strange murder weapon. Keith Morrison reports.

When a well-known woman from a prominent family is found dead in her Aspen, Colo. home, the entire community is left in a state of shock, leaving the authorities wondering who was behind her apparent murder and why they did it. Keith Morrison reports.

While away on business in California, Frank Howard, a high flying accountant from Carrollton, Texas, learns that his wife has been brutally attacked in their home.

A cryptic 911 call made days before a young Army veteran disappears helps detectives uncover the truth, exposing a twisted story of unrequited love Josh Mankiewicz reports..

When young mother and wife from upstate New York mysteriously vanishes, the authorities on the case find some unexpected secrets that leave them wondering if her disappearance is related to her online life, or something much closer.

When two women from the same church are the victims of violent crimes one year apart, the authorities try to determine if there is a connection, and a photo surfaces that leads them to believe the similarities between the case are not coincidental. Keith Morrison reports.

The community of Jonesboro, Arkansas is stunned when a local father and real estate investor is found dead in his own kitchen, leaving the authorities on the case wonder who could have possibly been behind the young man's murder.

When a wife and mother is found dead in a Kentucky warehouse where she worked, detectives soon zero in on one person of interest.

A well known lawyer from a southern town is found brutally murdered, with his girlfriend bound by duct tape, and as the authorities put together a list of potential leads, the primary suspect has a surprising connection to the victim. Andrea Canning reports.

A newly married couple both manage to recover from the same strange illness, but months later, the wife ends up passing away after showing the same symptoms again, leaving the investigators without answers, until some old recordings surface. Dennis Murphy reports.

A woman seeks the truth when her whirlwind romance turns into a mystery involving government agents.

The story of a successful realtor who was attacked and left for dead while showing a home in what looks like a murder-for-hire, and the authorities are left to question his business partners and family to determine a motive. Josh Mankiewicz reports.

A popular kindergarten teacher and mother makes a lifestyle change, losing several hundred pounds, but when mysteriously vanishes from her home, the police suspect her dramatic weight loss could be connected to her disappearance. Keith Morrison reports.

After a mother is murdered in her own bed, the 911 dispatch center fields two calls, one from her son and one from her husband, both of whom claim the other is the killer, telling wildly different stories that the authorities must figure out. Dennis Murphy reports.

German foreign exchange student and soccer player Diren Dede's dreams of studying in America came true when he began his junior year at a Montana high school. But when he decides to play a reckless teenage game, the consequences turn deadly. Josh Mankiewicz reports.