Two young women come to New York with big city dreams, but a chance encounter triggers a sequence of events that shatters those dreams forever; detectives must piece together a series of puzzling clues to bring the killers to justice.

Roger Brooks, popular maitre d' at one of the oldest restaurants in New York, is found slain in his apartment on the city's famous Restaurant Row; detectives discover a hidden side to the victim, and the chilling possibility of other victims.

The mysterious disappearance of an elderly New York socialite leads to the investigation of Sante Kimes and her son, Kenny.

An investigation into the murder of a New York businessman zeroes in on a family member whose plush lifestyle launches a tabloid frenzy; a closer look reveals the suspect's inner demons calling the greedy motive into question.

Police investigate when the seemingly storybook romance between a football player and the homecoming queen ends in a death.

Police investigate when the seemingly storybook romance between a football player and the homecoming queen ends in a death.

Before time runs out, detectives race to find a Little Rock, Ark., realtor who went missing after showing a house.

A community is left in shock when a Cornell student and star athlete gets caught in the middle of a homicide investigation.

The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

A former ladies' man has a change of heart when he falls for a pious day care worker, but when his body is found floating in a creek, detectives discover there's more to their relationship than meets the eye.

An investigation into the disappearance of a devoted father leads Arkansas police to a shocking crime scene, the search for answers reveals gang threats, and a killer that's willing to go to great lengths to escape justice.

When a Holocaust survivor and the king of the disco scene is found bound and murdered on the Upper East Side, detectives embark on a multi-borough investigation, uncovering a salacious private life with a woman who may hold clues to his demise.

When a killer tries to use the chaos of one of New York's worst weather catastrophes to get away with murder, detectives in Far Rockaway, Queens fight through Mother Nature's wrath, uncovering a plot of lust, jealousy and, ultimately, betrayal.

When a Bronx businessman is gunned down at a drive-through, detectives look back into the series of vicious attackson the familythat led up to the murder. A trail of text messages leads to ashockingperpetrator nobody ever could have imagined.

When a prince and princess are found murdered in their Park Avenue apartment, detectives discover both their lives and deaths are shrouded in mystery and deception; a surprise confession leads to more carnage than police ever could've imagined.

When a beloved suburban Atlanta police officer is found shot execution-style in her bed, investigators must probe both her personal life and her role in the community to uncover the identity of her killer.

When a young mother of two disappears just a few weeks before Halloween, detectives scour an upscale Atlanta neighborhood for clues, only to uncover a gruesome crime scene that haunts the community to this day.

Atlanta's tight-knit Chinatown community is devastated when a beloved mother is discovered brutally murdered in an industrial parking lot; with few leads, the team discovers a cryptic note that leads them to a surprising killer.

An Atlanta civil rights icon is shot dead in his front yard and police must determine if his high-profile stature may have made him a target; as detectives race to find the killer, the pressure is on to bring justice to this fallen hero.

An African immigrant is found tortured and murdered in his West End home; Atlanta detectives uncover a string of violent crimes tied to a terrifying criminal syndicate that the team must take down to restore peace to the Big Peach.

When an Atlanta-area horse trainer abruptly vanishes from his ranch, police search for the missing father-to-be; discovering a salacious secret where untamed passions may have led to the victim's untimely demise.

When a beloved matriarch and businesswoman is found shot to death in her palatial home, investigators uncover a trail of deception and betrayal that leads to a killer whose identity stuns the community and the victim's family alike.

When a world-class chef from a renowned Manhattan restaurant goes missing, an intense NYPD manhunt leads detectives into a twisted underworld awash in drugs, sex and diabolical fiends with a trail of bodies longer than Broadway.

The American dream of a hard-working immigrant is cut short when he is violently murdered with a hatchet in the streets of a Las Vegas suburb; investigators sift through lies and follow a bloody trail to uncover the shocking truth.

When a beloved matriarch and businesswoman is found shot to death in her palatial home, investigators uncover a trail of deception and betrayal that leads to a killer whose identity stuns the community and the victim's family alike.

Atlanta's thriving hip-hop scene is stunned when up-and-coming rapper Lil' Phat is executed in broad daylight; the case takes detectives into a world of mobsters and kingpins where the victim's lyrics may have foretold his demise.

When a world-class chef from a renowned Manhattan restaurant goes missing, an intense NYPD manhunt leads detectives into a twisted underworld awash in drugs, sex and diabolical fiends with a trail of bodies longer than Broadway.

Talented performer Jennifer Stahl and four friends are discovered shot execution-style above New York's iconic Carnegie Deli in the theater district; when the news breaks, the entire city fears there's a cold-blooded killer on the loose.

Insiders close to an Idaho woman accused of murdering her husband speak out for the first time on television; new details emerge, including never-before-seen bodycam and jailhouse footage.

Insiders close to an Idaho woman accused of murdering her husband speak out for the first time on television; new details emerge, including never-before-seen bodycam and jailhouse footage.

A husband comes under suspicion after the disappearance of his wife.

Police investigate whether the murder of a South Florida attorney is connected to a web of fraud, betrayal and more than $1 billion in missing money.

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.

Chilling confessions from a vicious slasher detail only some of his 100+ victims; when he's set to be the first serial killer ever released from prison, an eyewitness from decades prior could force justice on the man who vows to kill again.

In the '90s, aderanged killer stalks sex workers in Riverside, Calif., claiming the lives of 13 women; when a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes again.

The deadly beating of a young man in West Liberty, Iowa, sits unsolved for 25 years, until cold case detectives are approached by an unexpected witness.

Sleepy Seadrift, Texas, is unnerved by the death of a local landscaper after evidence at the scene of an apparent hit-and-run points to a deceptive killer with a dangerous past.

Small town McNeil, Ark., is grief-stricken after a retired sheriff is suddenly shot to death; when the case appears to be closed, a killer strikes again, and another local hero is struck down.

A family man is gunned down on the side of the road in a small town in Texas, and detectives unearth a perpetrator who's hiding more than one shocking skeleton in the closet.

After a hardworking mother is trapped and killed in a California house fire, investigators sift through multiple theories to figure out who could have ignited the deadly blaze.

As Pennsylvania police investigate the gruesome murder of a grandmother in her own home, detectives sort through a web of lies and nefarious activities before ultimately going toe to toe with a cold-blooded killer.

When an airman from Lee, Maine vanishes only four months into his marriage to a country girl from West Texas, it triggers a multi-agency investigation that exposes a darker side to southern hospitality.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

A son is reported missing after he fails to return home from a date; various Mississippi agencies unite to navigate his last moments and a false lead that will expose a cold-blooded scheme.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

When a small-town preacher is hospitalized with a mysterious illness, North Carolina police uncover a string of suspicious deaths centered around a Burlington woman who has a hidden dark side.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

In the '90s, aderanged killer stalks sex workers in Riverside, Calif., claiming the lives of 13 women; when a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes again.

Chilling confessions from a vicious slasher detail only some of his 100+ victims; when he's set to be the first serial killer ever released from prison, an eyewitness from decades prior could force justice on the man who vows to kill again.

When a beloved matriarch and businesswoman is found shot to death in her palatial home, investigators uncover a trail of deception and betrayal that leads to a killer whose identity stuns the community and the victim's family alike.

When a tech mogul is found bludgeoned to death in his lavish Roswell bedroom, detectives quickly compile a long list of potential suspects; police ultimately zero in on one scorned lover who wouldn't take no for an answer.

The question of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation in the Greek Islands with his wife, leaving behind financial ruin and mounting malpractice suits.

The question of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation in the Greek Islands with his wife, leaving behind financial ruin and mounting malpractice suits.

When a small-town Alabama resident is murdered in his home, rumors involving a local pastor begin to swirl as the truth ends up turning the community upside down.

A hard-working young woman is discovered stabbed at the side of a road, leading police on a tireless investigation for 10 years to unveil a killer who is hiding in plain sight.

After a 35-year-old analyst for the NSA is fatally stabbed, police look at a number of suspects; detectives close in on the killer, but the investigation takes a shocking turn.

After a college freshman goes missing without a trace, concerned friends and family talk to police about his last whereabouts; those conversations, however, raise more questions than answers when they point to a potentially deadly love triangle.

A wife returns home to find her husband shot dead, and detectives search for the truth for two years.

Tragedy strikes a rural Nebraska town when a beloved high school volleyball coach dies in a fiery car accident; but as investigators reconstruct her tragic death, the resulting clues steer the investigation to reveal a horrifying series of events.

A Texas woman's apparent suicide devastates the family that she leaves behind, but after one investigator dedicates decades to solving the mystery of what drove her to make such a tragic decision, a far more sinister truth is discovered.

A deadly fire burns a home and leaves one man dead; investigators assume the fire was an inside job.

A possible love triangle has deadly consequences for a prominent California lawyer.

When a determined son urges police to investigate the disappearance of his father, he meets a storm of family tragedy and betrayal.

The investigation into the murder of a fellow officer plunges detectives into a cavern of secrets and lies.

The death of a Texas racecar champion leads detectives down a winding road of suspects and reveals deep, dark family secrets hidden for decades.

When a popular construction man in a tight-knit Texas town is found gunned down in his own home, it takes police a decade and a half to track down the killer.

When a Brooklyn native is found shot to death in the backseat of his car in a rough Atlanta neighborhood, police have to figure out if trouble followed him south or if the killer is in his inner circle.

A mysterious shooting of a religious family man leaves a community questioning if it was a drug-related slaying or a bloody family affair.

A quiet Wisconsin town is rocked by its first homicide in six years when an eccentric father of four is found dead in his basement.

An Army vet survives two tours in Iraq, only to be gunned down in his own home.

A parking lot shooting in the dead of night leaves detectives with a long list of suspects, but the killer hides in plain sight.

A troubled woman turns her life around when she moves back home to the family farm; when her elderly mother disappears, police uncover a twisted web of deceit, betrayal and forbidden romance.

When a charismatic father and adored member of the local youth sports community is bludgeoned to death, police must discern fact from fiction to pinpoint his murderer.

After a shootout in a quiet suburb leaves a strip club owner dead, police discover his murder may be part of an elaborate crime ring targeting Atlanta's high-end clubs; the truth behind who runs the syndicate shakes the city to its core.

The abduction and murder of a pregnant woman and her fiancé from their Decatur home sends shockwaves throughout Atlanta; ransom calls and voicemails turn into digital breadcrumbs for investigators to track the killers down.

As detectives investigate a mother of two's sudden disappearance, her friends and family reveal she feared she was being stalked.

Josh Mankiewicz reports on the mysterious disappearance of a Colorado rancher, whose friends think something isn't right and spend years fighting for answers.

A daughter finds her father, a former FBI agent, murdered at his house; police dig into the man's past and begin to think the key to the mystery might be quite close to home.

When a 98-year-old widow is found dead in her entryway closet, a chilling discovery leads investigators to a killer in the community who harbors a dark secret.

A beloved resident of a tight-knit Nebraska town is murdered, leading detectives to look at a wide range of suspects before the trail leads to a killer who lives among them.

When a friendly bet exposes a terrifying scene under a California home, investigators unravel a 14-year-old missing person's case; Eventually, when deeply buried secrets come to light, and a dark family truth is revealed, justice is finally served.

When a concerned neighbor stumbles onto a horrifying scene in a Spokane, Wash., home, a family is devastated and buried secrets come to light; investigators unravel a bizarre web of truths and lies to find enough evidence to catch a killer.

An indie film star is found dead in Greenwich Village, the victim of an apparent suicide; as detectives discover one eerie clue after another, they realize things aren't what they seem.

When police discover two murdered lovers in East Harlem, a stolen phone leads them on a journey into the heart of New York's criminal underground and beyond.

When a prominent Russian businessman goes missing from a ritzy neighborhood in Staten Island, investigators believe the Russian mob is to blame; the case takes a series of hairpin turns to reveal the most unlikely of suspects.

An argument between a couple ends in murder, but police are unsure if it was an act of self-defense or something more sinister.

The discovery of an unidentified woman's decomposed body in a roadside ditch leads to a mystery that unravels a deadly love triangle.

She said her husband ran away with his much younger mistress, but after years of suspicion, police find him much closer to home.

When a camper goes missing, the search uncovers problems in his marriage and a deadly plot.

A beautiful college student and a successful attorney looked the perfect couple, but a shooting reveals the shocking secrets in their relationship; after reviewing the interrogation tapes a jury must decide whether to believe claims of self-defense.

A deadly home invasion leads to questions about a popular bartender, illegal drugs and the murder of her husband.

A shooting has investigators asking if it was the work of a rebellious son, an abused wife or someone far more sinister.

Investigators on both sides of the Atlantic seek links between three homicides that look like professional executions.

Who put a bomb in the home of a 29-year-old woman and killed her?

A killer tried to destroy everything which could link them to the crime; but in doing so, they inadvertently created new forensic evidence, evidence which came to light using a technique never before used in a criminal investigation.

After a tycoon's wife is found dead in her SUV submerged in a half-frozen creek, police begin to suspect it wasn't an accident.

A Russian immigrant is found dead and a strange phone call to his office is the only lead investigators have.

Physical evidence intially condemns a prime suspect to a double homicide, but DNA from a discarded spoon points to another.

A child's death from flu-like symptoms triggers an investigation that ranges from the United States to Egypt and uncovers murder.

A couple is found dead in a car with broken windows but no shattered glass.

Key suspect has a solid alibi in the murder of a war veteran; but police get a lead by finding a new suspect with a sweet tooth.

A woman who appeared to have taken her own life told her sister that, if anything were to happen to her, there was a note in the china cabinet.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

In the '90s, aderanged killer stalks sex workers in Riverside, Calif., claiming the lives of 13 women; when a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes again.

When Susan Woods doesn't show up for work, she is soon discovered dead in her bathtub; as police search for answers, they find a trail of victims.

When Susan Woods doesn't show up for work, she is soon discovered dead in her bathtub; as police search for answers, they find a trail of victims.

Ohio investigators search for answers in the decades-old murder of 10-year-old Amy Mihaljevic; a retracing of Amy's steps from the day of the kidnapping.

Private investigator and former police officer Taylor Wright vanishes, but detectives think there is more to the story after her girlfriend receives strange text messages from Taylor's phone.

Police bodycams capture officers rushing to Amy Allan's house after her husband called 911 to claim she'd taken her own life; investigators delve into forensic evidence and mobile data to solve the crime.

Kelsie Schelling disappears one night after leaving work, leading family and investigators on a four-year hunt to find the pregnant 21-year-old; cell phone records reveal what happened to Kelsie.

A nurse is gunned down in her home and detectives believe they have a suspect; as they delve deeper into the investigation, new information leads them down a completely different path.

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

When a U.S. Air Force Airman is shot multiple times inside his garage, a trail of clues leads Las Vegas detectives to a secret love affair and a murderous plan.

A month after Mollie Tibbetts' disappearance in Iowa, investigators discover surveillance video that captured a blurred image of Mollie jogging while being followed by a mysterious black car.

Tahereh Ghassemi disappears from the Louisiana home she shares with her adult son; detectives discover that she'd recently come into a great deal of money; the investigation reveals a plot with international implications.

A series of mysterious events haunt 16-year-old Cassie Jo Stoddart while house sitting, and days later, she's found stabbed to death; police retrace her last day and uncover a stockpile of evidence pointing to her killers.

When young mother and paramedic Annamarie Cochrane Rintala is found dead at the bottom of her basement stairs, it takes four trials and 13 years before justice is served.

Law enforcement officers investigate a string of shootings targeting women in the border city of Laredo, Texas.

Firefighters make a grisly discovery while responding to a house fire; an elaborate undercover sting that reveals a devious murder-for-hire plot.

After trumpet player Scott Sessions fails to show up for a scheduled gig, his family learns his body was abandoned in the remote Colorado Rockies; as the investigation narrows in on two suspects, a second murder catches police by surprise.

For more than 30 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Detectives in Washington, D.C., discover a puzzling connection between two women who disappeared two decades apart; an investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

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.

After exiting an upscale Manhattan night club, 26-year-old Joey informs his crew he's going to an after-party with a handful of people he just met, never to be heard from again; his family and friends help the NYPD to solve this famous case.

With 2,000 audience members watching a ballet at the world famous Metropolitan Opera House, orchestra violinist Helen takes a break and leaves her $20,000 violin on her chair, never to return.

When a Pennsylvania man who was convinced his messy divorce put a target on his back is found stabbed to death, his friends and family realize he was right all along in predicting his own gruesome murder.

When a Pennsylvania man who was convinced his messy divorce put a target on his back is found stabbed to death, his friends and family realize he was right all along in predicting his own gruesome murder.

An advocate for missing and murdered Indigenous women searches for answers in the disappearance of her niece and exposes cracks in law enforcement.

Josh Mankiewicz re-examines the kidnapping and murder of 17-year-old Carla Walker following a Valentine's Day dance in Fort Worth, Texas; Cutting-edge DNA technology and diligent police work lead detectives to her killer.

Keith Morrison reflects on a case; an Idaho man is sentenced to life after falsely confessing to his friend's murder, but after the true culprit is caught, a chilling twist unfolds.

A wife and mother is taken into an unmarked car by a blond woman on a Monday morning, but police are unable to find any record of her arrest; for Josh Mankiewicz, this case reset the bar for brazen and he revisits the reasons why.

While North Carolina detectives hunt for answers in the murder of 28-year-old James Chambers, his mother searched for his remains; Andrea Canning reflects on the family's unrelenting quest to find justice for James.

A couple is murdered shortly after their wedding and police suspect a family feud is the cause; Josh Mankiewicz looks back at what started the dispute that left him floored.

A hunting safari in Zambia ends in tragedy when a shot rings out from the cabin of a dentist and his wife; Andrea Canning revisits one of the most unique cases she's covered, one that sent her thousands of miles from home in search of answers.

After filming wraps on an indie horror movie, the cast members learn their lead actress is not who she says she is and has been charged with killing her uncle; it's a story Keith Morrison can't forget, one where family drama takes center stage.

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked - what their most memorable story is and why.

A chance encounter on the Pacific Coast Highway with a woman he first spoke to in a jail cell leads Keith Morrison to re-examine the mysterious death of Las Vegas casino magnate Ted Binion.

When Dr. Joe Sonnier is murdered, the investigation reveals simmering jealousies and a love triangle; Andrea Canning recalls a doctor who dedicated his life to helping others.

An attractive woman witnesses her ex-boyfriend's shooting, but can't remember what happened, raising questions about suicide, stalking and split personalities.

When a daughter discovers her parents' dead bodies within weeks of two other family members' murders, investigators wonder if the family is being targeted or if it could be an inside job.

When Kathleen Schroll makes a phone call that names her killer right before her death, it leads to the arrest of a father for murder, but after two trials and 12 years, authorities begin to wonder if he was the victim.

When Kathleen Schroll makes a phone call that names her killer right before her death, it leads to the arrest of a father for murder, but after two trials and 12 years, authorities begin to wonder if he was the victim.

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.

In Chapel Hill, N.C., when troubled teen Josh Bailey goes missing, it leads detectives to a horrific gang-related homicide; experts zero in on how a psychotic, charismatic leader can manipulate others to the point of murder.

In suburban Ohio, an entire family goes missing, their house filled with ominous blood stains; the mystery deepens when it's learned the daughter was kidnapped and kept on a bed of leaves.

Former FBI Special Agent John Douglas and psychiatrist Louis Schlesinger take a deep dive into serial killer Edmund Kemper's troubled history, intellect and evolution; the groundbreaking FBI work that led to breakthroughs in catching serial killers.

Diving inside the mind of New York's most prolific serial killer, Joel Rifkin; through never-before-heard interviews from Attica Correctional Facility, Joel Rifkin reveals exclusive insights into the mind of a monster.

After a decadeslong crime spree terrorizes California, a DNA breakthrough leads detectives to a suspect in one of the most famous cases in history; Stephanie Gosk and detective Paul Holes trace the life of suspect Joe DeAngelo.

In the '90s, aderanged killer stalks sex workers in Riverside, Calif., claiming the lives of 13 women; when a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes again.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

The discovery of a dismembered man rocks a close-knit town as shocking accusations spread about the alleged culprit and his doting mother.

A shocking murder raises questions about a young woman, her relationship with her boss and the possibility of multiple personalities.

The murder of a devoted family man leads investigators through a twisted tale of infidelity, betrayal and one woman's deadly plan.

A business man's mysterious death sends police on a years-long investigation that leads to suspicions of those nearest and dearest to him.

A retired Delta employee appears dead, stabbed dozens of times in her picturesque suburban home, stunning the Atlanta area; as detectives search for clues, they discover a note the victim left just before she died that leads them to her killer.

Twin daughters find their mother stabbed to death in their quaint suburban home, and the pressure for detectives to deliver justice is on; but when the shocking truth behind the murder comes out, the Atlanta community is left stunned and heartbroken.

After a naval reservist is gunned down in her car outside an Atlanta mall, detectives pour over video footage, phone records and forensic evidence; discover that the DNA sample found at the crime scene creates an unforeseen twist in the case.

When a young banker disappears, police piece together her final moments, leading them to a professional who's not as he presents himself.

After the brutal murder of a beloved Queens gay man, a community bands together while a detective goes under cover to catch the killers.

A grad student is killed in her Rittenhouse Square apartment; detectives follow clues across the country, uncovering a hidden evil that changes how Philadelphia investigates sex crimes.

When a college student and exotic dancer is found dead after being thrown from a bridge, detectives investigate the controversial players in Rachel's double life and come up with a killer they never imagined.

Private investigator and former police officer Taylor Wright vanishes, but detectives think there is more to the story after her girlfriend receives strange text messages from Taylor's phone.

Private investigator and former police officer Taylor Wright vanishes, but detectives think there is more to the story after her girlfriend receives strange text messages from Taylor's phone.

A girl's recovery from a gunshot wound inspires the community to get her justice.

In Kansas, a prison volunteer helps a man escape custody; investigators scramble to track the pair down.

Keith Morrison reports on an undercover operation in Palm Beach, Florida to save a wife and mother.

When a body is discovered in the woods, authorities ask if he's the victim of revenge from an ex-girlfriend, her over-protective brother or her 14-year-old son.

A deadly shooting raises questions about an elderly man's business dealings and his friendship with a much younger woman.

When a beloved Staten Island mother vanishes, NYPD detectives have a gut feeling she didn't run off and have trouble believing she abandoned her family; as they retrace her last known whereabouts, CCTV footage leads them to a horrific discovery.

Post 9/11, terror strikes again when Queens and Brooklyn are rocked by the senseless killing of neighborhood shopkeepers; with no leads and a lack of motive, the NYPD must form a task force to catch the spree killer before he claims his next victims.

In the midst of a blizzard, the abduction of a Hasidic man from his Williamsburg office sparks a desperate NYPD search; as more dark details emerge, discoveries of debts, betrayal and ties to the Russian mob send police on a mission for the truth.

When a college student goes missing, a search of her Bronx apartment leads the NYPD to suspect foul play; the investigation stalls until a witness comes forward, prompting an undercover sting operation that blows the lid off a deadly conspiracy.

When a millionaire playboy is found burned to death inside his Buckhead mansion, investigators must navigate a love triangle to find the killer.

An up-and-coming Atlanta actor's dreams of stardom are shattered after he is viciously bludgeoned to death; when their last lead vanishes, homicide investigators turn to a new technology to help them pinpoint his cold-blooded killer.

When a member of one of Atlanta's most beloved religious dynasties is brutally gunned down while protecting his family, detectives piece together a complicated puzzle to track down the killers.

A prestigious Atlanta college is stunned when one of its own students is horrifically tortured and murdered off campus; investigators discover that greed may have led to the promising athlete's tragic end.

A flower delivery turns deadly when a woman is executed after answering the door at her wealthy Buckhead estate; the hunt for the mastermind behind the assassination takes investigators around the world and back.

The senseless murder of a 16-year-old girl in her family's jewelry store rocks the quiet hamlet of Marietta; determined to give her family closure, detectives pull out all the stops to track down the cold-hearted culprit.

A Valentine's Day rendezvous in an Atlanta-area park turns deadly, and investigators race to find the killer of a beloved husband and cub scout leader; when detectives reveal the mastermind behind the brutal slaying, the community is left speechless.

A young woman steps out of her local deli only to be never seen again; when she's reported missing days later, detectives from Staten Island find themselves mired in a maze of suspects and tracing her last steps before it's too late.

A young mother claims she was caught up in her boyfriend's murderous plan.

A Valentine's Day rendezvous in an Atlanta-area park turns deadly, and investigators race to find the killer of a beloved husband and cub scout leader; when detectives reveal the mastermind behind the brutal slaying, the community is left speechless.

The execution-style murder of three prominent businessmen in a posh downtown Atlanta hotel terrifies the city's burgeoning tourism industry; with only a blurry image of their killer, detectives race to track him down before he strikes again.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

Chilling confessions from a vicious slasher detail only some of his 100+ victims; when he's set to be the first serial killer ever released from prison, an eyewitness from decades prior could force justice on the man who vows to kill again.

A hunting safari in Zambia's Kafue National Park ends in a nightmare when a shot rings out from the cabin of dentist Dr. Larry Rudolph and his wife Bianca.

A hunting safari in Zambia's Kafue National Park ends in a nightmare when a shot rings out from the cabin of dentist Dr. Larry Rudolph and his wife Bianca.

A couple goes on a scuba-diving vacation in the British Virgin Islands; one of them surfaces but the other does not.

In 2005, a district attorney in Pennsylvania went missing, seven years after he investigated sex-abuse allegations made against Jerry Sandusky.

When a young woman is found dead in a field on the outskirts of Green Bay, Wis., a fitness tracker helps detectives solve the mystery.

In the '90s, aderanged killer stalks sex workers in Riverside, Calif., claiming the lives of 13 women; when a would-be victim describes the perp to police, the race is on to catch the murderous john before he strikes again.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

They say deaths come in three, but when a young woman falls ill after eerily similar deaths of her father and brother, suspicion turns to a family member and the limits of a mother's love.

In a shocking turn of events, a mother must face her demons when her daughter gets left for dead after a vicious murder.

Rebecca gives up her single life to marry Larry, but after Rebecca comes home and finds Larry in a pool of his own blood, fingers start to point back to her.

A foreclosure leads police to a concrete grave and a twisted plot of deception, fraud and murder, as one woman goes to extraordinary lengths to avoid justice.

When a beloved Wisconsin father disappears, his wife blames drugs, but close friends suspect a violent confrontation that ended a marriage filled with secrets.

A churchgoing southern woman loses her husband to tragedy, but a cloud of suspicion haunts her new marriage and leads investigators to a new conclusion.

A violent home invasion leads to suspicion about the victim's stepdaughter and a mystery man, but a startling confession reveals a more intimate betrayal.

A popular cab-driver is shot dead on the job, but the search for his killer reveals his wife's secret prison visits, a torrid affair and a possible conspiracy.

A woman gives her husband a deadly dose of morphine.

Multiple unidentified bodies are found inside barrels in a New Hampshire forest. Decades later, a murder 3,000 miles away reveals their connection to a serial predator who targets women and children, and changes his identity after every violent kill.

The murder of a beloved widower leaves police wondering what secrets his marriage, to his much younger wife, might be hiding.

A woman gives her husband a deadly dose of morphine.

Multiple unidentified bodies are found inside barrels in a New Hampshire forest. Decades later, a murder 3,000 miles away reveals their connection to a serial predator who targets women and children, and changes his identity after every violent kill.

Five corpses are found on the Florida hog trails; the investigation stalls until two men narrowly escape the perp's clutches; years later, eight more bodies are found in nearby woods, leaving police to wonder if it's the same evil killer.

An Air Force sergeant is gunned down in his garage revealing an elaborate conspiracy with an unlikely mastermind.

A doting husband and father mysteriously disappears from his rural town just outside Atlanta; when his body is discovered stabbed and bludgeoned to death in the woods, detectives uncover evidence of a love triangle that led to a conspiracy.

When a young entrepreneur is shot and dumped in a rural well outside Atlanta, detectives search frantically for clues as to who committed the horrific murder.

A wife and mother is handcuffed and taken into an unmarked car by a blond woman on a Monday morning, but her family is unable to find any record of the arrest.

A wife and mother is handcuffed and taken into an unmarked car by a blond woman on a Monday morning, but her family is unable to find any record of the arrest.

The neighbors enjoy mixing business with pleasure then a murder makes them face the reality that a killer is in their midst.

Kelly and Steve head into Louisiana to work with the Concordia Parish Sheriff's Office and investigate the 2016 homicide of a 26-year-old whose body was found on the banks of the bayou.

Kelly and Abbey head to Colorado to help the Prowers County Sheriff's Office investigate the 1991 homicide of a beloved elderly couple who were brutally killed while working at their local VFW Hall.

A secretary is found shot in the head inside a suburban Philadelphia church, putting the close-knit congregation on edge; as gossip and theories swirl, detectives unfold a strange tale of jealousy.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

When a barefoot pregnant woman is found dead in Coney Island, the NYPD races to find her killer; it's not until detectives pit suspects against each other that a web of jealousy emerges and the evil truth comes to light.

When a world-class chef from a renowned Manhattan restaurant goes missing, an intense NYPD manhunt leads detectives into a twisted underworld awash in drugs, sex and diabolical fiends with a trail of bodies longer than Broadway.

When a prominent Santa Rosa, Calif., couple is found gunned down at the offices of one of the world's most popular cartoons, detectives are left to untangle the inner workings of a decades-long marriage.

A picture-perfect Navy family is shattered when the father is found shot to death after returning home from deployment; detectives are led to believe the crime is a tragic coincidence until a dark plan devised from lust and greed comes to light.

When a father in Spokane, Wash., is found shot to death in his vehicle, detectives work for years to unmask a vicious killer who isn't afraid to silence witnesses; they eventually uncover a long-kept family secret that breaks the case wide open.

After an Air Force recruiter is found dead in a ditch near his Ohio home, authorities chase down several leads until the case culminates with a sting operation worthy of an international spy drama.

After gunshots ring out in rural New Jersey, police discover a beloved father shot to death and a vehicle taken from the premises; investigators must determine if this is a random act of violence or a murder plot spun from an ongoing dispute.

After a local antique shop owner is murdered in a seemingly random home invasion, North Carolina police discover there is more to the story when a web of lies and infidelity are revealed.