When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; Dennis Murphy looks back on his interview with the lead suspect.

Chris Smith's family receives an email stating that he is leaving California to surf the world; months later, they wonder if he really left; Keith Morrison offers new insights into the case.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

A woman continues searching for answers after the investigation into her daughter's murder goes cold.

The murder of a beloved anti-gun violence activist haunts Savannah, Georgia, during a summer-long shooting spree; with word of missing gambling winnings, detectives work to piece together what happened to solve the case and stop the terror.

A mysterious double shooting outside of a record label in Nashville leaves music city clamoring for answers; investigators search for clues and along the way are brought into the sordid underbelly of the country music industry.

The police discover a body wrapped in duct tape on church grounds in the posh neighborhood of Buckhead, Atlanta; detectives must untangle a web of romance, jealousy and deceit to uncover who killed a beloved father of two.

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.

A young mother is assassinated by a disguised assailant in front of her toddler in a crowded parking lot; when detectives uncover video footage of the killer, an unlikely witness IDs the shooter as someone surprisingly close to the victim.

A cherished grandmother is found murdered in her Bronx apartment; Barbara Butcher returns to the scene to retrace every step - and decode how the victim's body holds clues to a carefully hidden motive.

Barbara Butcher steps back into the 1997 murder of Jonathan Levin, a beloved Bronx teacher, and reveals how her inestigation withstood intense scrutiny and helped detectives uncover a truth more disturbing than anyone could imagine.

A missing man's search ends with a morbid discovery: his body, bound and murdered, inside his own car; the brutality is unmistakable, and to Barbara Butcher, so is the staging; a closer look at the evidence reveals a calculated plot to kill.

When suitcases of dismembered remains wash ashore in Virginia Beach, the investigation leads back to New Jersey, where a facade of a perfect family man breaks to reveal the reality.

When a fearless Las Vegas journalist is ambushed outside his home, the surveillance video shocks the city; the body tells a deeper story, one that may reveal what the camera missed.

A prominent scientist is bludgeoned to death with a stiletto heel.

A man is found dead on a shrimp boat; evidence leads to his past life as a drug informant.

A sudden illness ends a short marriage, but the widow could be hiding a poisonous secret.

Police search for intruders but find a suspect much closer to home when a man is beaten to death in his own home.

A contractor's death leads to another death, three arrests and a shocking motive.

A family is willing to go to any lengths to get what it wants.

A young wife finds her husband dead, but the police uncover a web of lies and murder.

A young man reveals how cruel his mother was years after his father was tragically shot.

After the search for a missing Florida couple leads to a chilling discovery in their garage, detectives follow the money trail to a surprising false identity that unlocks a deadly interstate scheme.

An old-school entertainer and off-the-Strip lounge owner is gunned down in his sports car; detectives investigate club employees and rumors of a mafia hit until a surprise witness steps forward to reveal a complex conspiracy.

An ambush on an armored truck ends in a shootout and cold-blooded murder of two guards; detectives investigate a possible inside job and string of violent casino robberies while tracking down elusive suspects.

A man from Iowa is shot to death while sleeping in bed next to his fiancee; coincidences and quick thinking lead to surprising information regarding the killer's motive.

A man from Iowa is shot to death while sleeping in bed next to his fiancee; coincidences and quick thinking lead to surprising information regarding the killer's motive.

When film executive Gavin Smith vanishes, Los Angeles detectives search for clues amid reported sightings and suspicious circumstances.

An investigation of a woman found murdered in Fort Worth, Texas.

The mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states.

A young Tennessee woman vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands.

After a nurse and mother-of-three is murdered inside her Illinois home, investigators uncover security camera footage that could be key to solving the case.

When Rob Limon is murdered at work, the investigation uncovers deep secrets about sex, friendship, religion, and family; it is a case featured in Dateline's chart-topping podcast Deadly Mirage.

When a young soldier disappears at an Army base in North Carolina, the police, military and community band together to try to find her; with time running out, a bounty hunter turned PI enacts a plan to coax a suspect to confess to her whereabouts.

A mother's worry ignites when two teenage girls never come home after getting lost heading to a party in southeast Alabama; when their car is found abandoned, their small town unites to find them and uncover what happened.

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.

The tranquility of Atlanta suburb Powder Springs is shattered forever when two beautiful young real estate agents are found brutally murdered inside a picturesque model home; detectives race to catch this ruthless killer before he strikes again.

When a beloved landlord disappears in Brooklyn, the NYPD is convinced it's more than a missing person's case; without a body and with limited physical evidence, asuspect roams the city for years until discovering a secret witness to the grisly truth.

When prominent Latino journalist and activist Manuel de Dios Unanue is fatally shot at a Queens restaurant, a joint task force must figure out which of a long list of enemies, including some international terror groups, is behind his execution.

When a jeweler is executed in Midtown in broad daylight, detectives uncover the dark underbelly powering Manhattan's Diamond District; zeroing in on the killer, a network of crooks, savagery and silence stands between the NYPD and the truth.

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.

A veteran police officer gets attacked in the line of duty; detectives make it their mission to bring his killer to justice; as they investigate a troubled Philadelphia suburb, they soon uncover a crime of the ultimate betrayal.

When a hospital employee dies mysteriously on a Center City sidewalk, detectives uncover surveillance footage of the murder that leads straight to the doorstep of a suspected serial killer who may be tied to a string of unsolved crimes.

A chiropractor is found bludgeoned to death in his home outside Philadelphia; investigators take a hard look at those closest to him, but soon learn the murderer is someone they least expect.

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.

Ashley Young has an active online presence and loves posting on social media; when she suddenly stops communicating with loved ones, her mother launches a search to find out why; a gruesome discovery leads to a tragic answer.

After overcoming a troubled childhood, Brittney Gargol is on a path to a bright future; when the Canadian high school senior is found murdered by the side of a desolate road, a surprising clue leads to an arrest.

A night celebrating Bart Whitaker's college graduation ends in horror when a gunman attacks him and his family, killing his mother, Tricia, and brother Kevin; as police try to unravel the tragedy, they uncover family secrets and a surprising suspect.

When a graduate student is shot dead outside of her North Carolina home, a 911 caller leads detectives to believe the victim's fiance is the key to solving the case.

When a graduate student is shot dead outside of her North Carolina home, a 911 caller leads detectives to believe the victim's fiance is the key to solving the case.

Debra Newell believes she has found Mr. Right, but her daughters sense there's something wrong with John Meehan; they start digging into his past and find out he's a dangerous con man; their revelations may come too late.

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 one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

The murder of a businessman exposes a tangled web extending from the Pacific Northwest to the North Dakota oil patch; investigators race to piece together seemingly disconnected clues to catch a monster before he strucks again.

Detectives search for answers after Annastasia Hester is stabbed to death in Portland, Oregon; investigators uncover personal details that point to multiple suspects and possible motives.

She was beautiful, trusting and troubled; the young woman from a prominent family was just turning it around and realizing her promise; then she vanished; when the police seemed unable to find her, her family hatched a plan to solve the mystery.

A murder in broad daylight causes the authorities to question whether it was an act of self-defense or murder.

Years after a deadly home invasion, a Texas woman faces new questions about the death of her mother.

A dead body is found in a small town in Texas and one mother may be facing death.

A respected family man is found shot to death in his upscale California home. As detectives race to find his killer, a startling confession exposes a web of lies, allegations of abuse, and a marriage pushed to its breaking point.

A farmer is gunned down inside his Barron County, Wisconsin home in what appears to be a planned hit. As investigators search for answers, they turn to an unstable ex whose plot to kill shocks the rural community.

When a pregnant St. Louis elementary school teacher is found shot to death in her apartment, an unusual gun silencer, missing money, and the victim's own meal plan help unlock a shocking and devious murder plan.

A small town church is shocked when one member is shot and another stands accused.

A farmer is gunned down inside his Barron County, Wisconsin home in what appears to be a planned hit. As investigators search for answers, they turn to an unstable ex whose plot to kill shocks the rural community.

When a pregnant St. Louis elementary school teacher is found shot to death in her apartment, an unusual gun silencer, missing money, and the victim's own meal plan help unlock a shocking and devious murder plan.

An armored car robbery and Santa Claus bandit captivate headlines, and the crime goes unsolved for years until a local man is found buried in the snow.

A mysterious disappearance leads police to a woman pushing a trash can full of body parts down the street.

A car crashes into a tree killing a man.

A 13-year-old confesses to murder, but police suspect he's being manipulated by his half-sister.

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

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

Heidy and Conrad Truman are an enviable couple with a bright future; then, one fateful night, Heidy is found dead of a gunshot wound to the head; in the aftermath of her death, accusatory fingers are pointed at someone who may very well be innocent.

When a recently engaged Manhattan Beach police officer is gunned down during a routine traffic stop, detectives rely on the eyewitness account of a traumatized young boy to track down a cold-blooded killer.

When a popular restauranteur disappears, investigators must rely on a patchwork of witnesses and a local journalist to uncover treacherous secrets... all of which leads them to a grisly killer with an unappetizing M.O.

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.

A 19-year-old Colombian immigrant vanishes during a packed car show at the Atlanta Motor Speedway; after an exhaustive search with no leads, police receive a cryptic tip that points them to the location of the victim and her surprising assailant.

Thomas and Jackie Hawks live aboard their luxury yacht until their disappearance sparks an investigation that turns on the alleged sale of their yacht.

The larger-than-life owner of a strip club empire is mowed down with a machine gun before the gates of his Orange County estate; the secrecy surrounding the clubs and their employees makes the case extremely challenging for investigators.

A murder investigation which pits a son against his mother sheds new light on a previously unsolved death.

When remains of a dead body are discovered under a trailer, the police suspect that they belong to a man who disappeared 5 years earlier.

The celebrity murder that shocked a nation; one of the country's leading comedians is gunned down in his own home.

The investigation into a deadly home invasion reveals just how far a father would go for his daughter.

A pretty blonde survives the attack that kills her husband.

The poisoning of a prominent cancer researcher raises questions about one of his co-workers.

The investigation into an apparent farm accident reveals a tangled family plot.

The brutal murder of Sabrina's foster mother raised questions about her relationship with her foster father.

A farmer is gunned down inside his Barron County, Wisconsin home in what appears to be a planned hit. As investigators search for answers, they turn to an unstable ex whose plot to kill shocks the rural community.

When a bullet is found in the head of a man's body assumed to have died of natural causes, the double life of his wife and daughter is exposed.

After a body is found in the snow, clues lead to an ex-girlfriend and a secret marriage.

A best friend's betrayal reveals a woman's plot to murder her husband; shocking secrets of witchcraft, poison and juicy neighborhood affairs.

Amber finds her home ransacked and the police find her fiancé dead in his bed; what at first seems like a home invasion gone wrong turns into a twisted situation as melting snow reveals a clue.

When a man is shot after answering a local help wanted ad, detectives discover there are other victims with eerily similar stories; their quest to locate a possible serial killer leads them to a suspected killer working for an evil manipulator.

A father shoots a masked intruder after he is ambushed in his own garage, but as the unknown assailant clings to life and LAPD try to make sense of the strange situation, a twisted web of manipulation and lies within the family is revealed.

Friends of accused murderer Robert Durst talk about his recent arrest in New Orleans and his whereabouts over the past 30 years.

The investigation into the death of a Florida firefighter reveals a 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.

When a wealthy churchgoing woman is found murdered in her bedroom just a week before Christmas, investigators initially believe this is a robbery gone wrong; the painstaking investigation, however, uncovers a killer much closer to home.

Investigators working on the cold case murder of a beloved Orange County millionaire uncover a box of old tape recordings that reveal long-buried secrets, leading them on a path to finally nail the killer.

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

A wealthy couple is brutally attacked on their country estate just outside Atlanta; as detectives scour the property for leads, they discover a dark secret, unbeknownst to the community, that multiplies their suspect list tenfold.

After a man mysteriously dies in his doctor's office, a routine call from a life insurance company plunges investigators into a twisted world of mystery, money and murder where they must unravel a complex web of lies and false identities.

When a well-liked Hollywood cameraman is brutally murdered in his home, detectives trace a tangled web of lies that leads them to yet another body and a killer who will do anything to realize the California dream.

A tight-knit Orthodox Jewish community is terrified when police respond to a mother's 911 call from her ransacked house to break down the locked bedroom door of her daughter, 18-year-old Aliza, to find Aliza naked and dead on the floor.

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.

Two young women are sexually assaulted and strangled five years apart but connected by the same unknown DNA; after both cases turn cold, the New York Police Department and New York State Police combine forces 17 years later to find the killer.

In Williamsburg, a slew of strikingly similar murders sets off alarm bells; as the body count rises and the victims bear the same twisted signature, investigators reach a terrifying conclusion: a serial killer is stalking the streets of Brooklyn.

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.

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.

Real estate developer Gary Triano lived large; his murder was a bold statement; there were whispers of a mob connection, an angry investor, or a mad ex, and the mystery took nearly two decades to unravel.

The light of day and DNA picture painted by molecular biologist reveals new clues about a nighttime traffic accident.

On Valentine's Day, an obstetrician finds his wife dead and calls 911; police discover inconsistencies between the blood spatter evidence and his version of events.

Weed analysis and photogrammetry are used to help solve the 1995 murder of a California teenager is found dead after disappearing from her home.

When police recover the submerged car of a missing man, they find no body; the investigation that follows uncovers a deadly obsession and the motive for murder.

Emergency dispatch received a call from a man who said his girlfriend shot and killed herself. But the wound was not self-inflicted.

Investigators piece together evidence found at the scene of a Native American woman's murder; the tire tracks and shoe impressions could lead them to the killer.

Experts seek answers to a young businesswoman's death just before she was to testify in a criminal trial.

An anonymous caller reports the rape and murder of a dry cleaner employee; two eyewitnesses tell two similar but not identical stories.

Woman disappears from grocery store parking lot in Boulder, Colo.; investigators find extraordinary clues in a pair of bloody gloves, unique tire tracks, and ordinary grass and pine needles.

In a wealthy area of Philadelphia, police are called to the scene of what seems like a regular accidental drowning; the investigation begins to focus on one person who has many reasons to want the victim dead.

When a pregnant St. Louis elementary school teacher is found shot to death in her apartment, an unusual gun silencer, missing money, and the victim's own meal plan help unlock a shocking and devious murder plan.

After a bitter divorce, an addiction therapist blackmails her patient into helping her find a hitman to kill her ex-husband; but what she doesn't know is the patient enlists the help of an undercover officer to try to prevent a cold-blooded murder.

The murder of a California mother beloved by four men reopens a mystery surrounding another young woman's death that occurred decades earlier.

The murder of a California mother beloved by four men reopens a mystery surrounding another young woman's death that occurred decades earlier.

A hairdresser-turned-detective uncovers the truth behind the murder of a teenage girl at a scenic spot on a Utah river.

Religion is a way of life in Raleigh-Durham, N.C., so when a 21-year-old church-going HBCU coed is found stabbed to death on the side of the road, investigators must uncover the sins under the surface of this sacred community.

A serial killer terrorizes a small-town Texas hospital, secretly murdering patients with a cold and calculated bloodlust; as the body count rises, administrators and police work together to uncover the killer and get justice.

A Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

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.

After four people turn up dead, investigators chase a serial killer who may be reenacting scenes from a horror movie released in the 1980s.

A crime takes place in Florida but detectives don't discover a motive for murder until they look into a tropical island thousands of miles away, where a festering grudge was born.

Celebrity dog trainer Mark Stover and his wife Linda build a thriving business and a beautiful home, but their dream life doesn't last; an affair leads to a bitter divorce, then Mark vanishes in a mystery with the makings of a Hollywood thriller.

It was Easter Sunday; the Stock family celebrated at home; hours later, gunshots turned their farmhouse into a house of horrors; there was an arrest but one tiny clue didn't fit; this case was far from being solved.

A chance meeting at a nightclub ends in murder; those involved in the gruesome crime thought they had buried the secrets of the past, but a relentless team of investigators will stop at nothing to unearth the truth.

Nick popped the question and Kristy said yes; they were busy planning their future when she found him dead in the bedroom; police questioned spurned lovers and office enemies before a tip from Nick's brother helped reveal the true killer.

Michelle Mockbee met her husband at the warehouse where they both worked; it was also where she met an untimely death; security footage led police to a suspect, but when it appeared justice had been served, a scandal turned the case upside down.

Angila Wilder was a busy mom, working to make her dream of becoming a nurse come true, then she was murdered; at first, investigators thought it looked like an open-and-shut case, but it would take an elaborate sting to uncover the truth.

Emma Walker was a fun-loving teen with her whole life ahead of her, then she was shot dead in her bed; detectives were facing a tough investigation.

When a recently divorced mom vanished, the search to find her was halted by a hurricane; as the floodwaters receded, investigators discovered the same deadly storm that slowed their investigation was about to flush out her killer.

Pfc. Karlyn Ramirez, who has a job she loves and a baby she adores, is shot dead in her home; her killer thinks he has covered his tracks, but investigators uncover a plot so devious, it defies imagination.

Cassy Farrington, a mother of two, was found dead in her bathtub; Cassy's parents are determined to solve the mystery.

After finding his wife and two children dead, a former Indiana state trooper spends 13 years trying to clear his name.

After finding his wife and two children dead, a former Indiana state trooper spends 13 years trying to clear his name.

An in-depth interview with Charles Manson's former parole officer; rarely seen video of Manson; interviews with victims' family members, and others close to the case.

A young woman appears strangled and posed in the Kensington neighborhood; when more victims are found assaulted in an eerily similar fashion, detectives race against the clock to find the perpetrator before he strikes again.

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.

Driving home from a night out at a club, a nurse's aide strikes a homeless man on the freeway. The choices she makes after the crash, and her attempt to keep them a secret, are revealed when friends testify against her in a dramatic trial.

After a police chase ends in tragedy, Special Prosecutor Kelly Siegler returns to her rural roots to seek justice for a murdered game warden and his devastated family.

When a college student is found dead after a party, his mother is determined to find out what happened; what follows is one of Dennis Murphy's most memorable stories, as this tenacious mom fights to get her son's case in front of a jury.

A mother and son die in a house fire, and a man confesses to their murders; later, he says he was coerced; Keith Morrison returns to the case for a look at the interrogation and the circumstances that could've led to a false confession.

Reagan Tokes worked a late shift at a local restaurant, then went missing.

Josh Mankiewicz returns to a case; a popular teacher was killed in her home; there was an arrest, a trial, and a verdict.

A beloved couple is found murdered among a lifetime of valuable collectibles in their home; investigators want to know if there is a connection between the memorabilia and the murders.

A case Keith Morrison can't forget in which a teen's murder shakes a Nevada community and two unlikely people confess.

Andrea Canning recalls a case in which investigators set up an elaborate sting operation to stop a murder-for-hire plot.