Dateline

When a woman is found dead in her home, it is ruled a suicide. But when a new investigation begins, police question if this is a case of murder.

Diana Lovejoy and her husband welcomed a baby boy, but then, their marriage crumbled. A bitter custody battle followed. Fearing for her safety, Diane turned to a man skilled in self-defense but, it turns out, someone else was in grave danger.

When a father goes missing and his body is found in a field several miles away, the investigation reveals multiple suspects -- including members of his own family.

The parents of missing South Carolina woman Heather Elvis, Debbi and Terry Elvis, open up to NBC News’ Andrea Canning about the search for their daughter.

When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

Looking back at O.J. Simpson's infamous Bronco car chase and subsequent standoff with the LAPD SWAT team, 25 years after the murders of Nicole Brown Simpson and Ron Goldman.

When two tragic deaths occur within one week of each other in a wealthy city in California, families begin to wonder what happened inside a beachfront mansion.

A soon-to-be bride is caught in the middle of a twisted murder plot that has detectives questioning if she played a role in it.

A young woman's murder remains unsolved until someone comes forward to reveal her own harrowing story.

A young woman's murder remains unsolved until someone comes forward to reveal her own harrowing story.

Bill and Shirley Carter lived the simple life on their farm in rural Iowa. But one June morning, a violent encounter on that very farm would tear their family apart.

A soldier, just back from Afghanistan, is gunned down on the side of the road in Kentucky. Detectives quickly uncover a secret that could solve the case. Andrea Canning reports.

When a young woman finds out that her boyfriend might have shot and killed a college football player out of revenge, she struggles with coming forward to officials, fearing she could lose her life.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

"Anatomy of a Capture" offers an in depth description of the capture of Saddam Hussein. "Richard Engel" talks about reaction from Tikrit, Iraq. "Judgement Day" examines how Saddam Hussein will likely face trial for war crimes. "Condoleezza Rice" talks to the National Security Adviser about the capture. "A Soldier's Story" talks to a former Gulf War prisoner of war about his reaction to the capture. "Still Missing" looks at the on going hunt for weapons of mass destruction in Iraq. "Raghida Dergham" discuss reaction to the capture in the Arab world. "The Ace of Spades" looks at worldwide reaction to the capture.

Former DEA agent Andrew Hogan details his search for Mexican drug lord Joaquín "El Chapo" Guzmán with never-before-seen videos and photographs.

The friends of a a Georgia father accused of murdering his ex-wife come together to prove he is innocent, while prosecutors count on his young children to testify against him.

A teenager is convicted of encouraging her boyfriend to kill himself; exclusive interviews with those on both sides of the case.

Tex and Diane McIver were an Atlanta power couple. She was a successful business woman. He was a lawyer with big political ties. One night and one turn changed their lives forever.

Joan Bradford, a beloved wife and mother is executed in her own home in suburban Los Angeles. It looks targeted, but who could want her dead?

When a young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

The tight, close-knit community of Kauai, Hawaii is a blend of tropical paradise and small town America. But the murder of Sandra Galas, a young, beautiful, mother has locals wondering who among them is a killer.

A Halloween turns tragic when a fiancée is killed at a bar. The investigation proves difficult when it's discovered all suspects were in costume.

When well-liked school superintendent Keith Reed fails to show up at a conference, family and colleagues descend on his house. Alarm bells start to ring when they discover most of the superintendent’s personal things – all but his cell phone -- are there.