Six survivors of the 2012 Costa Concordia shipwreck off the coast of an Italian resort island share their stories.

Source: NBC TV

Survivors of the largest wildfire in California history share their stories.

Source: NBC TV

Survivors of the tsunami that devastated Thailand in 2004 including supermodel Petra Nemcová share their stories

Source: NBC TV

Survivors of the tsunami that devastated Thailand in 2004 including supermodel Petra Nemcová share their stories.

Source: NBC TV

The investigation into the death of a pregnant woman reveals secret lives and feuds.

Source: NBC TV

A determined detective tries to crack a cold case involving a murdered nurse and scant evidence.

Source: NBC

A wealthy resort town is in shock when a well-known member of the glamorous community is found dead. Who could have committed such a crime?

Source: NBC

A wife and mother survives an attack in her home and a shot to the head.

Source: NBC

The vanishing of a female Army veteran is investigated. The case includes a cryptic 911 call that helps uncover the truth. Correspondent: Josh Mankiewicz.

Source: NBC

The vanishing of a young wife and mother is investigated in a case that comes with unforeseen secrets of betrayal. Andrea Canning reports.

Source: NBC

Over the course of a year, violent crimes are committed against two women from the same church.

Source: NBC

A young real estate investor and father is found dead in the kitchen of his home. Who could have committed such a crime?

Source: NBC

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

Source: NBC

In a quiet Southern town, on a cold and rainy night, police find a prominent lawyer brutally murdered and his girlfriend bound in duct tape. Who could have done it?

Source: nbcnews

A cold case heats up and a twisted truth emerges when a wife dies of strange symptoms months after being hospitalized and surviving a similar problem. Josh Mankiewicz reports.

Source: NBC

Inspirational people who overcame challenges include Olympic gold medalist Lindsey Vonn, Olympic champion Amy Van Dyken-Rouen and former Miss Teen USA and cyber-safety advocate Cassidy Wolf; escaping from risky situations; a healthier diet.

Source: NBC

Campus cops make a terrible discovery in a dorm room after a boyfriend's weekend visit goes horribly wrong.

Source: NBC

The disappearance of a young mother leads to a massive search across the Pacific Northwest. With an estranged husband, ex-boyfriend and a suspicious neighbor.

Source: NBC

When a loving mother is found brutally stabbed to death, police quickly determine who held the knife. But was it part of a cold-blooded conspiracy?

Source: NBC

Police suspect a serial killer when two women and their teenage daughters are murdered in Maryland; during the search for clues, it's revealed that a master thief is the key to solving the mystery.

Source: NBC

A woman seeks the truth when her whirlwind romance turns into a mystery with government agents, cryptic messages and international spies.

Source: NBC

A college student with a passion for music is mysteriously found dead in her parents' Wisconsin home. Clues lead investigators to her theatre group and a new crime that exposes the truth.

Source: Dateline NBC

A decades-old cold case centers on the vanishing of a woman in South Florida. Dennis Murphy reports.

Source: NBC

A realtor is attacked and left for dead when he's lured to a home showing, resulting in numerous twists and turns. Josh Mankiewicz reports.

Source: NBC

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When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

Source: NBC

A conspiracy-theme case centers on the 2006 poisoning death of former Russian spy Alexander Litvinenko. Host: Richard Engel.

Source: NBC

A young art student from Texas is found murdered in her bed with no sign of forced entry, indicating that she knew her killer.

Source: NBC TV

Dennis Murphy looks deeply into the baffling murder case of New York real estate heir Robert Durst and chronicles the long journey to uncover the truth.

Source: NBC TV

The murder of a California mother reopens a mystery surrounding the death of another woman decades earlier. Keith Morrison reports.

Source: NBC TV

Wealthy Mexican Publishing Tycoon is kidnapped

A report on John McAfee, a computer mogul who remains a person of interest to police in a murder investigation. Included: an interview with McAfee. Keith Morrison reports.

Source: NBC TV

A successful young doctor collapses at her home and is rushed to the Emergency Room, leaving friends and colleagues puzzled. When her blood tests reveal cyanide poisoning, it shocks the medical community and launches a criminal investigation.

Source: NBC

A beloved kindergarten teacher and mother of two finds a new lease on life after shedding hundreds of pounds. When she suddenly vanishes from her home.

Source: NBC

A hidden-camera investigation centers on private adoption. Andrea Canning reports.

Source: NBC

Natalie Morales interviews Mark Burnett and his wife Roma Downey, executive producers of "A.D. The Bible Continues." Included: a behind-the-scenes look at the series in Morocco; interviews with cast members; and footage of Downey and Burnett on a promotional tour.

Source: NBC

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Kate Snow puts the focus on young adults living with autism and their families' efforts to find specialized support and services for them.

Source: NBC

A mother is murdered in her own bed. The mystery deepens when her husband and her son accuse the other of being the killer with two dramatically different stories. Dennis Murphy reports.

Source: NBC

Suspicions arise when a man's wife dies in a house fire and then a second tragedy claims his son's life.

Source: NBC TV

Keith Morrison investigates a notorious group of jewel thieves known as the Pink Panthers, who have pulled off brazen and disturbing high-profile heists around the globe.

Source: NBC TV

The death of the matriarch of a prominent Texas family is investigated. Correspondent: Josh Mankiewicz.

Source: NBC

The vanishing of a 20-year-old honors student is investigated in a mystery that would take more than 20 years to solve. Josh Mankiewicz reports.

Source: NBC

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Mysterious deaths inside a traveling commune are investigated in a case that would span over 10 years. Dennis Murphy reports.

Source: NBC

Tom Brokaw discusses his journey battling cancer and casts light on his 2015 memoir, "A Lucky Life Interrupted." Included: an intimate look inside Brokaw's family life via conversations about his diagnosis with his wife and children.

Source: NBC

A mother and wife is murdered in a Georgia home invasion. When her friend and neighbor is shot the following night, investigators unearth disturbing secrets that suggest the cases may not be a coincidence. Reporter: Dennis Murphy.

Source: NBC

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Patricia Esparza believed she had escaped poverty and abuse, attending elite schools and becoming a respected psychology professor. But a dark secret comes back to haunt her when a determined investigator and prosecutor in Orange County work to solve a 20-year-old murder case.

Source: nbcnews.com

When a woman goes missing in a small town in rural Michigan, her husband becomes the primary suspect. But eyewitnesses and surveillance cameras support his alibi that he was in Virginia the day she disappeared - more than 700 miles away.

Source: NBC

Successful businesswoman Peggy Nadell is found murdered in her Rockland County home. With no forensic evidence, police use wiretaps and data analysis to search for her killer. Investigators follow the faint trail of an "untraceable" late night call and are led to someone very familiar.

Source: NBC

A single mother of three vanishes, and multiple suspects emerge when police discover she may have been living a double life. Keith Morrison reports.

Source: NBC

Foul play is suspected in the apparent hit-and-run death of a kindergarten teacher found on a Virginia road.

Source: NBC

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