Dateline

On November 4, 2014 Pam Zimmerman's children wake up in their Bloomington, Illinois home to find that their Mom did not return home the night before.

Bonnie Haim, a devoted young mother and wife, goes missing shortly after Christmas. Authorities find her purse at a nearby motel and her car abandoned in the airport parking lot. Her family pleads for answers.

Douglas Murphy, FBI ballistics expert, discusses how agents discovered the unique type of weapon used in the murder of the federal prosecutor.

The murder of a young schoolteacher in Pennsylvania goes unsolved for years, but investigators discover a new tool that may finally help unlock the murderer's identity.

Cher Hughes made her dream come true in the faraway islands of Bocas del Toro, Panama.  It's a place people go to escape. Who could have know that evil could find a place in paradise too?

NBC’s Cal Perry brings us the latest on what went on inside the two vacation homes that the Obama administration ordered Russian diplomats to move out of.

A look at the crimes committed by Charles Manson and his followers in 1969, including archival footage and interviews with those close to the events.

Lauren Giddings was smart, charismatic and a newly-minted law school graduate. She had dreams of becoming a public defender, then she was brutally murdered. Her killer tried to pull off the perfect crime, but a secret recording exposed the truth.

When a beloved firefighter is murdered just outside Sarasota, Florida, investigators discover a twisted tale of secrets, lies and infidelity.

When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look.

Pittsburgh girl Meghan Verikas falls in love with a successful Houston doctor. But things aren’t quite the fairytale they seem, and Meghan quickly learns there’s more to Leon Jacob’s story than meets the eye.

A young woman is shot in her home just outside Salt Lake City, Utah. Was it an accident? Or something far more sinister?

A look at the case of con man John Meehan, including interviews with his wife and her daughter, his ex-wife, law enforcement officers, and the Los Angeles Times reporter who shined a spotlight on the story.

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

When film executive Gavin Smith vanishes, Los Angeles detectives search for clues amid reported sightings and suspicious circumstances. The case takes a dramatic turn when Gavin’s wife reveals painful secrets.

When Debbie Kelly, a busy executive, remodels her home in a gated community, she finds unexpected love – and marriage -- with her contractor, Lars Itzo. But in the early morning dark in San Antonio, Texas, he shot his wife, saying he mistook her for an intruder. Was this a terrible accident or a case of deliberate murder?

It was a brutal and baffling crime: a husband shot dead in his own bed. No one else in the house was hurt, not even his wife, who was sleeping beside him. Investigators were suspicious, but there were more surprises in store.

Newlywed Dalia Dippolito returns home from the gym to find a crime scene – and awful news.

A decade before the scandal of coach Jerry Sandusky dismantled the Penn State community, a local attorney, Ray Gricar, was the first to investigate his case. But a few years later, Gricar disappeared. Was there a connection?

Dateline examines the murder of Ben Novack Jr. the wealthy heir to Miami's famous Fontainebleau Hotel. The police investigation into the murder causes a rift between his wife and step-daughter.

Keith Morrison reports on a dramatic undercover operation in Palm Beach, Florida to save a wife and mother who had no idea she was in danger.

A couple goes on a scuba diving vacation in the crystal blue waters of the British Virgin Islands. On their final dive of the trip, one of them surfaced – but the other did not. What happened on that fateful last dive?

A Philadelphia murder reveals decades of misconduct in the city's criminal justice system and raises questions aout whether police caught the right person; key insiders in the case speak out for the first time on national television.

A mother's search for answers in her son’s murder raises questions about whether Chicago police detectives did enough to try to solve his case.

In March, 2017 ex-FBI agent Scott Alan Horn (62) was found dead outside his house. He had been shot, and then beaten with firewood. Scott’s estranged wife Anne Reed Allen was charged with his murder, but she was acquitted in 2018. Who killed Scott Horn?

Ohio investigators search for answers in the decades-old murder of 10-year-old Amy Mihaljevic; retracing Amy's steps from the day of the kidnapping and enlisting viewers' help for more information.

A mother of two goes missing in Monrovia, California. As detectives investigate, the woman's friends and family reveal that she feared she was being stalked.

Wisconsin, 2017: Teresa Halbach, murdered in 2005, was the victim in the Netflix 10-part documentary Making a Murderer (MaM), which became a Netflix binge-watching phenomenon in 2015. Steven Avery and Brendan Dassey were convicted in 2007 to life in prison for the murder. This updates the case with surprising information not included in MaM. Lead investigator Tom Fassbender, who interrogated Dassey and some believe produced a false confession, is on camera for the first time defending his actions and the prosecution's evidence.

When an Ohio resident is offered $50,000 to kill someone hundreds of miles away, investigators set up an elaborate sting operation to bring down those behind the murder-for-hire plot.

In the small town of Morris, Alabama, faith is a way of life. But when resident Michael Reese is murdered in his home, rumors involving a local pastor begin to swirl as the truth ends up turning the community upside down.

It was a brutal and baffling crime: a husband shot dead in his own bed. No one else in the house was hurt, not even his wife, who was sleeping beside him. Investigators were suspicious, but there were more surprises in store.

On a hot summer day in 1994 convicted murderer Randolph Dial escapes from prison, taking the deputy warden's wife with him. But was she a kidnapped hostage or a willing accomplice?

A young mom, married to her high school sweetheart, vanishes; did she leave her family to start a new life or was there another reason for her disappearance; decades later her grown son faces a dark truth at the core of this mystery.

Dateline looks into the death of Stephanie Roller Bruner and the district attorney's effort to pin the case on her husband.

Newlyweds Paul and Linda Curry come down with a mysterious illness. Paul recovers, but Linda is hospitalized and the strange symptoms won't go away.

Tim Permenter calls 911 to report a horrible discovery; his girlfriend Karen Pannell, a one-time model and flight attendant, has been murdered in her kitchen. On the wall next to her body is a message written in her own blood: the letters R O C. What does it mean?

Just off California's fabled Catalina island, weekend boaters make a grim discovery-- a body floating in the water. The victim turns out to be a well-known radio personality. What happened to Steven B. Williams?

Family man Jack Jessee is murdered in his home, but the case goes cold until a dogged detective unravels a conspiracy and pins down the perpetrators.

Michelle Young was married to her college sweetheart and pregnant with their second child when she was murdered. In the search for her killer, detectives uncovered a marriage riddled with secrets but cracking this complicated case took years.

A loft apartment in downtown Salt Lake City, Utah, is home to an eclectic group of residents. When a wealthy businessman starts working with two of them a chain of events is set in motion that leaves one of them dead, another arrested for murder.