Dateline NBC

Andrea Canning reports on the latest twists and turns in the case in which firefighters discovered a New Jersey man dead in a house fire, but an autopsy revealed he had been shot to death.

A mother searches for answers in the unsolved murder of her 14-year-old daughter until new DNA technology changes everything.

When Corey Shaughnessy wakes up to gunfire in the middle of the night, she shoots at the intruder and miraculously survives, only to discover that her husband Ted has been killed. Detectives wonder if the couple's job as local jewelry shop owners could be a possible motive until the investigation takes a turn that no one saw coming. 

INTERVIEWS WITH: Corey Shaughnessy, Nicolas Shaughnessy, Travis County Sheriff's investigators James Moore and Paul Salo, Defense Attorney Rick Flores, family friends Tad Cole and Vicki Frenk, and others.

New details on the latest twist in the murder-for-hire plot involving a prominent Florida family that left law professor Dan Markel dead and a grandmother arrested.

Navy petty officer and devoted mother Sherri Malarik is found shot to death in her minivan after she disappeared. The case remains cold until new revelations and old memories resurface, dividing the Florida family. In Friday's two-hour Dateline, her grown-up children speak out about the two-decade search for answers.

INTERVIEWS WITH: Tera and Jacob Malarik, Tina and Jeff Leake, Jennifer Spohn, Detective Buddy Nesmith, State Attorney's Office investigator Wayne Wright, Assistant State Attorney Amy Shea, Defense Attorney Chris Crawford, and others.

When a package bomb explodes at a day spa in Southern California, killing beloved esthetician Ildiko Krajnyak and injuring two clients, law enforcement discovers that the bomb was intended specifically for her. Who would want Ildiko dead? An investigation into her love life reveals several possibilities.

INTERVIEWS WITH: Valerie Stone, FBI agents Nick Vicencia and Ashley Mericle, Orange County Sheriff's Department investigator Jack Ackerman, prosecutors Annamartine Salick and Mark Takla, and others. 

A mystery looms over a small New York town when a woman is murdered and a stunning secret is exposed; more than a decade later, new developments lead to an unexpected conclusion.

A series of mysterious events turn deadly for a housesitter; police retrace her last day for clues.

Idaho resident Christopher Tapp is sentenced to life after falsely confessing to the murder of his friend Angie Dodge. When the real killer is caught over 20 years later, the case appears to finally be closed until a chilling twist begins a new chapter in the decades-long saga. Friday's two-hour episode features the latest developments, including correspondent Keith Morrison's sit-down with Tapp. 

NEW INTERVIEWS WITH: Chris Tapp, Bill Squires, Jeremy Sargis, Steven Drizin, CeCe Moore.

New interviews and never-before-seen evidence about the murder of Jennifer Dulos, including video and photos from residential security systems and urban police cameras that detail the timeline of the crime.

When a firefighter is killed, the murder investigation unravels a web of secrets, a love triangle and stunning surveillance footage.

After a 25-year-old mother is gunned down in broad daylight by a murderer wearing a disguise, detectives confront a most unlikely suspect. 

NEW INTERVIEWS WITH: Det. Trey Downs, Det. Dean Boone, Chief Roy Whitehead, Buddy Allen, Michael Vickers, Jennifer Bagby.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest but years pass without an arrest.

Keith Morrison reports new revelations in the murder case of professional cyclist Moriah Wilson that made world-wide headlines. The two-hour broadcast will include fresh courtroom evidence, a police interview with a key witness and an exclusive interview with the killer's plastic surgeon, who was unaware of the murderer's intentions to elude authorities.

NEW INTERVIEWS WITH: Dr. Jorge Badilla, Det. Richard Spitler, Det. Jonathan Riley, Deputy U.S. Marshals Damien Fernandez and Emir Perez, and Christopher Stricklen

When Joy Hibbs is found dead in a house fire, an autopsy shows she was murdered beforehand. Even with multiple suspects, the investigation stalls, leaving the case cold for years. Decades later, a shocking secret is revealed.

NEW INTERVIEWS WITH: Det. Michael Slaughter, Charlie and David Hibbs, D.A. Jen Schorn, April Atkins.

The separate murders of two women in Toronto ignite an investigation that spans four decades, taking detectives from the big city to a remote, northern town. The case is finally cracked when diligent old-fashioned detective work is combined with modern breakthroughs in genetic genealogy.

NEW INTERVIEWS WITH: Det. Stephen Smith, Det. Andrew Doyle, Det. James Atkinson, Sean McCowan, Ben Tice, Vanessa Vansittart and Kristin Basso.

When a New Jersey woman goes missing, investigators uncover her husband's chilling history, including dark secrets about another missing wife. Would he be caught before he put another woman in danger?   

INTERVIEWS WITH: Det. Dave Mansue, Former Supervisory Special Agent Bob Hilland, Dedy Childers, Sherrie Davis.

A Southern California woman's fall down the stairs initially appears to be a fatal accident, but when deputies arrest her husband, his story unravels. For the first time, the victim's family speaks out to Dateline correspondent Keith Morrison.

INTERVIEWS WITH: Theresa Neubauer, Frank and Samantha Gaulden, Peter Arsuaga, Kim Gadberry, Kristi Christensen, Jon and Rochelle Brannon. 

When the wife of a popular Atlanta DJ is found murdered with her two young children at home, investigators try to unravel what happened. The chilling echo of another DJ's murder just months prior raises suspicions of a targeted attack on the city's music community.

INTERVIEWS WITH: Jeezy, Nick Love, Tommy Jackson, Christina Lee, Sabrena Swinger

A group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.

When two women are murdered in the same Arlington, Texas apartment complex within the same year, police are stumped, and panic spreads across the city. Three years later, forensic evidence from two subsequent rapes provides a breakthrough, bringing the murderer and serial rapist to justice.

INTERVIEWS WITH: Chima Benson, Adriane Fields, Det. Tommy LeNoir, Investigator Joel Stephenson, Hiep Vu.

When a nurse is gunned down in her home, detectives initially believe they have a clear suspect. As they delve deeper into the investigation, new information leads them down a completely different path.

INTERVIEWS WITH: Det. Bobby Kenny, Det. Joe Espino, and Marcel Fomotar. 

When a woman who is eight months pregnant vanishes before her own baby shower, her family begins a desperate search. As detectives struggle to unravel the chilling mystery, they wonder: is it a missing persons case, or something far more sinister? Derrica and Natalie Wilson of the Black and Missing Foundation step in to advocate for answers.

INTERVIEWS WITH: Derrica & Natalie Wilson (Co-founders, Black and Missing Foundation), Detectives Jill Beauregard and Terry McLarney, FBI Agents Summer Baugh and Patrick Dugan.

A teenager's life is turned upside down by a shocking discovery as what seems like a fatal accident reveals itself to be something much more disturbing.

The season 33 premiere of Dateline investigates the case of a young Ohio woman who vanishes one summer night prompting her community to conduct a massive search. When she's found dead, investigators question her friends and family to uncover her killer.

INTERVIEWS WITH: Ally & Dave Markham, Investigator Paul Newton, Reporter Karin Johnson.

A new father is found dead on the side of a road.  Then the shocking stabbing of a young woman in broad daylight leads police on a high-speed chase.  Investigators wonder: are these two chilling murders connected?

INTERVIEWS WITH: Tonya Hilbert, Cathy Hudson, Mallory Goins, Sam Marquez, Jeff and Ericka Sharp. 

A 16-year-old calls 911 to report a break-in at her family's home. When police arrive, they discover her mother has been murdered, launching a years-long investigation that featured a false confession and revealed a dangerous romance.

The high profile murder trial of Karen Read, who was accused of killing her Boston police officer boyfriend.

A murder unearths an unsolved mystery from years earlier; as the connection between the two cases becomes clear, a long -hidden truth surfaces.

After a Halloween party at a country club, a wife and mother of four vanishes. Nearly a decade later, a private investigator claims to uncover chilling new clues that turn the town upside down.

INTERVIEWS WITH: Jason Creasy, Ashley Swift, Terry McCreight, Heather Cohen.

The broadcast features a new interview with Los Angeles District Attorney George Gascón, who recently filed a motion for a resentencing hearing for the brothers. As a scripted tv show reignites public interest in the Menendez case, Dateline will report on the latest, including a letter seemingly written by Erik to his cousin before the murders.

During The Menendez Brothers: Chance at Freedom, the prosecutor from the brothers' 1993 trial, Pamela Bozanich, opens up about defending herself against a wave of recent online criticism. She tells Morrison in a new interview that she bought a Mossberg shotgun to arm herself, which is the same type of gun used in the killings of the brothers' parents.

The episode also features interviews with additional key players in the case, including never-before-aired excerpts from Morrison's 2017 interview with Lyle.

A former ballerina falls in love with a man 30-years her senior, but their love story quickly spirals out of control after accusations of abuse. Did she shoot her husband in self-defense or was it murder?  Dubbed the ‘Black Swan' case, the ensuing investigation and dramatic trial sparked protests and received national attention.

INTERVIEWS WITH: Lt. Daniel Dickerman, Detective Justin Warren, Dr. Barbara Russell, Stephanie Murphy, Neil Taylor, Suzanne O'Donnell.