Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to had killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigate.

The violent death of an Air Force officer's wife outside a Philippines air base is examined, amid accusations of a love triangle involving the murdered woman's husband; investigators use groundbreaking computer forensics to make their case.

Pieces of plastic the size of sand hold clues to a bombing.

At first glance it appears a young woman suffocated, but further investigation shows the scene was staged.

A killer is careless when a home is destroyed by fire and a young boy is missing.

A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case.

An irrigation canal murder remains unsolved until a similar murder occurs.

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

In the California mountains, a young father calls 911 to report that he had been in a shoot-out with a car full of strangers; authorities wonder if it was self-defense or something else.

In the California mountains, a young father calls 911 to report that he had been in a shoot-out with a car full of strangers; authorities wonder if it was self-defense or something else.

In 1994, convicted murderer Randolph Dial escapes from a prison in Oklahoma and takes the deputy warden's wife, Bobbi Parker, with him, then, 10 years later, Parker is found living with Dial on a farm in Texas.

A wealthy Miami couple disappears, leaving an abandoned Lamborghini; police are perplexed until a rich businessman comes forward with a bizarre tale of a group of muscled men looking for a fast way to flashy cars and a fabulous lifestyle.

Young newlyweds Michael and Susan MacIvor were living the dream in the Florida Keys with a baby on the way; the Florida Man strikes in paradise; under the cover of a storm, the MacIvors become victims of a triple homicide.

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

The owners of an Alabama country store are brutally murdered in their home, and detectives must sort through a maze of bootlegging, gambling and family secrets to uncover the killer.

After Hurricane Ivan tears through the Floribama region, the discovery of a body in a burnt-out home in Chunchula, Alabama, launches an investigation that reveals an unexpected evil in the community.

When a beloved man is murdered on Mississippi's Gulf Coast, the slippery killer keeps police on their toes in a wild manhunt; investigators stop at nothing to uncover this twisted trail of lies and fraud as they work to bring some southern justice.

Amid the chaos of post-Hurricane Katrina, a devout pastor is mysteriously murdered in New Orleans; a second unsolved murder with the same signature leads investigators to a brazen killer weaving a deadly web.

Frank Rodriguez, a Navy veteran who dedicated his life to helping needy children, is mysteriously murdered, and investigators need to figure out how he died to catch his killer.

Eric Somuah, an outgoing salesman, is found shot in his bed; a detective's investigation of Eric's murder puts him on a path filled with twists, turns and an ending few will see coming.

The life of a married father of two and successful real estate appraiser ends all too soon; investigators wonder if money is a motive, or if the murder is the result of a family rift.

Sabrina admits to killing Lisa, but no one understands why, which complicates the case immensely.

A successful, seemingly healthy doctor collapses at home and is rushed to the ER, leaving friends and colleagues puzzled.

Jen Ramsaran vanished just before Christmas and detectives needed to know if her online life held the key to this mystery or if the answer was closer to home.

Investigators go to unexpected depths to solve the mystery of missing Lynn Friend, a devoted mother who had wedding plans when she vanished.

The murders of two young women near a Phoenix canal remain unsolved for more than 20 years until a team of cold case detectives take on the case and investigate a man known as the Zombie Hunter.

It was a violent and bizarre crime scene: #1 scrawled next to the lifeless body; the victim's boyfriend had an alibi and the case went cold; then, a DNA hit; but investigators couldn't figure out the link between two people separated by 1,500 miles.

When a beloved socialite in the suburbs of New York is an unlikely target for a brutal murder, police immediately zero in on the most likely suspect, but solving the crime is neither easy nor quick.

A woman is brutally murdered in her bed; her husband and son both immediately begin pointing fingers at each other after two rapid fire calls are made to 911.

Chaos descends on Phoenix as two serial killers compete for the media's attention and the bodies pile up faster than the police can investigate.

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

A risky undercover operation in a rough prison could expose a suspected serial killer's secrets.

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.

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.

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 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.

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.

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.

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.

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.

Baby Savanna disappears in the midst of a custody battle, and mystery of her whereabouts spans two decades; investigators traveled nearly 10,000 miles around the world, driven by a determined dad trying to learn what happened to his daughter.

People went on a hike, pausing at a perfect spot for pictures; but something went wrong, and the frigid currents below took a life; investigators wondered if they also swept away a secret.

Diane Marcell walked into her home and found her daughter covered in blood, the attacker said she was next; a single drop of blood was the key to finding him, but it took nearly a decade to unlock its secrets.

Single mom Sarah Goode went missing after a night out with friends; her family was determined to find her; police turned up four possible suspects and two tantalizing clues; the killer left a signature.

After Erin Corwin told her husband she was scouting hiking trails in Joshua Tree National Park, she suddenly vanished - police quickly uncovered a steamy love triangle and a mystery with a deep pool of potential suspects.

He was a wealthy doctor with a perfect life and the perfect wife; then, he found her dead on Valentine's Day; she was beloved but did have enemies; investigators followed a bloody trail of evidence, leading to a big courtroom twist.

A killer is murdering and mutilating young women along the Route 40 corridor in Delaware, but after investigators set up an undercover operation, the hunter soon becomes the hunted.

After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar.

A pilot flees following a plane crash, becomes a fugitive and lives a double life for decades.

A pilot flees following a plane crash, becomes a fugitive and lives a double life for decades.

The legendary Fontainebleau Hotel in Miami Beach, Fla., is the backdrop for a mystery involving the murders of wealthy heir Ben Novack and his mother, Bernice.

Kelly Siegler and her team of investigators dive into a small town murder case that lingered for years without answers or justice that Kelly has never forgotten.

Kelly Siegler and Johnny Bonds aid local law enforcement and dig into their freshest case yet, the 2-year-old disappearance of a professional photographer; DNA testing and cell phone data analysis could be the key to cracking the case.

Kelly and her team head to Oregon to investigate the mysterious disappearance of a man who vanished from his home without a trace; with seven suspects and missing gold coins, serious questions linger about what happened to Glenn Pennie.

To prevent the exposure of a twisted secret, a seemingly solid marriage between two deeply religious people is destroyed, and two lives are lost forever in the cold-blooded killings of a mother and daughter.

The start of the worldwide COVID-19 pandemic coincides with the disintegration of a once-loving marriage, leading to a cross-country chase to ensnare a vicious murderer.

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.

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 late-night party in the home of a celebrity basketball player turns deadly, a curious web of lies leads detectives on a rocky road to the truth to find justice for the unlikely victim.

Two unusual accidents that are two decades apart leave a family suspicious of a father who appears to benefit from tragedy.

A young immigrant mother is killed in a hunting accident while out with her fiancé; as police investigate, they unravel a tangle of romantic relationships, money and motives to reveal the terrifying truth of what really happened.

The truth behind the brutal deaths of a prominent and wealthy couple in Libertyville, Ill., remains dormant until 15 years later when a new police task force exposes a murderer who let money remove the sense of consequence.

When a successful Texas lawyer and his wife are executed while sleeping in their bed, Houston police team up with a private investigator, who gets dangerously close to a killer, to uncover a greedy mastermind who proves that privilege can be deadly.

When the half-dressed, partially frozen body of a Navy veteran is found lying in a ditch, rumors and lies will challenge detectives' efforts to lay bare the truth behind the chilling death.

When a professional basketball star is gunned down in his hometown of Memphis, Tenn., the case goes cold for nearly a decade; after a new team of investigators takes over, it uncovers the missing murder weapon and a mastermind close to home court.

In Hope, Ark., Kelly and her team investigate the murder of a young mother who was brutally executed in her home and whose son may hold the clues to her killer's identity.

In a crime that terrified a community, Kelly and Tonya Rider investigate the tragic stabbing death of an elderly woman in her own home just one week after she buried her husband.

After a young woman vanishes from her neighborhood, North Carolina detectives are snared in a tangled web of deceit as they uncover a vicious love triangle; it's a race against time to find a killer and the evidence they need to solve a dark mystery.

When a young mother in Newport, Maine, goes missing, the case goes cold until another mom suddenly vanishes, sparking an investigation that leads to a deadly game of cat and mouse and grisly discoveries in a rustic backyard.

A Milwaukee contractor is shocked when he discovers a body in a shallow backyard grave; the ghastly remains send investigators chasing an atrocious truth and have a community running scared from their own neighbors.

Michael Jackson and Anna Nicole Smith were two icons who shared the tragic bond of being hooked on prescription drugs and fatally overdosing.

A re-telling of the Michael Jackson 2005 criminal trial from the jurors' point of view, in which American recording artist Michael Jackson was tried based upon accusations of Gavin Arvizo, a 13-year-old boy Jackson had befriended.

Motivational speaker Rebecca Musser talks about her life in The Fundamentalist Church of Jesus Christ of Latter-day Saints and what made her leave the denomination.

Motivational speaker Rebecca Musser talks about her life in The Fundamentalist Church of Jesus Christ of Latter-day Saints and what made her leave the denomination.

Stuntman Garrett Warren was accustomed to living on the verge of death, but no amount of Hollywood violence can compare when he finds himself shot four times; when the smoke clears, investigators find themselves in a real Hollywood mystery.

A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.

A woman accused of attempting to hire a hit man to kill her husband.

When a woman's body is discovered at a trash facility, a detective makes a promise to her mother to get justice; she doesn't know she will come face to face with a serial killer.

A group of adventurous Americans think they found paradise in a tropical hideaway, the kind of place where people don't ask a lot of questions about their neighbors, until some of those neighbors start to disappear.

New interviews with insiders reveal how career criminal Charles Manson convinced his followers to kill innocent victims and deliver him the fame he craved.

Spree killer Joanne Dennehy's daughter Shianne shares how she has struggled to come to terms with the realities of being the child of Britain's most dangerous woman.

Peter Tobin raped and murdered Angelika Kluk in 2006, and with the help of his ex-wife, Cathy Wilson, a groundbreaking investigation unearthed more victims and revealed him to be a serial killer.

Two-and-a-half decades ago, a man from Milwaukee named Jeffrey Dahmer was tried and convicted of 17 gruesome murders that occurred between 1978 and 1991. Dahmer was convicted of luring young men into his home, where he then drugged, sexually violated, killed and finally consumed them. Investigative journalist Nancy Glass secured exclusive access and the first televised interview with the famous serial killer. "`Dahmer on Dahmer: A Serial Killer Speaks' catapults viewers into Jeffrey Dahmer's psyche, providing a unique look at the life of a serial killer that shook the nation," says Oxygen Media programming executive Rod Aissa.

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.

Kelly and her team investigate the murder of a college student killed in her bedroom while packing for a trip to visit her parents for Thanksgiving.

Kelly and Steve Spingola take on a case in his home state of Wisconsin and must navigate a tangled family tree of witnesses and suspects to find the killer of a loving husband fatally shot in his cabin.

Kelly and Steve Spingola head to Flint, Mich. to investigate the brazen 1991 shooting of a beloved woman right outside her home; as she died in her sister's arms, her final words could provide insight into who killed her.

Kelly and Aaron Sam head to Lake Charles, La., to investigate the shocking murder of a young man gunned down in his car after attending church on Palm Sunday.

Kelly and Steve Spingola head to Wisconsin to investigate a homicide; the case becomes personal after they receive a letter from the victim's daughters; their search uncovers a town's dark side, crimes against children and lies within a church.

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.

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.

Brittany Stork's decades-long quest to find out more about her mother's mysterious death leads to a dramatic courtroom decision; the man at the center of the case tells his side of the story.

Brittany Stork's decades-long quest to find out more about her mother's mysterious death leads to a dramatic courtroom decision; the man at the center of the case tells his side of the story.

A luxury car salesman is asked by a beautiful former client to plan a murder.

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.

An in-depth look at the complexities of the case against Aileen Wuornos, the woman branded as America's first female serial killer; questions still revolve around her claim of self-defense and whether or not she got the justice she deserved.

The man known as the Happy Face Killer viciously strangled eight women and dumped their bodies along the road.

The stories of five women who suffered vile abuse while trapped inside the home of a prolific serial killer from which they eventually escaped.

Self-named killer B.T.K. murders 10 people over 17 years, all while taunting Wichita, Kan., police and media before being exposed as family man and churchgoer Dennis Rader; in an exclusively acquired interview, he reveals what drove him to do it.

In the 1970s, Ted Bundy murders at least 36 young women; glamorized as a handsome, well-educated killer who outsmarted the law, Bundy may have been an evil genius or a con artist posing as privileged to hide the monster in plain sight.

When searching for a missing woman, law enforcement on Long Island stumble upon the remains of other victims; as the killer of the so-called "Gilgo Four" remains elusive, police come to believe that the monster himself may live among them.

After Rex Heuermann is arrested and charged as the Gilgo Beach killer, a feverish hunt for information is undertaken - but his family isn't talking; now, for the first time, the loved ones of the alleged killer speak publicly.

From 1993 to 2000, the quiet community of Fort Smith, Ark., is terrorized by a twisted serial killer, a deranged necrophiliac who targets elderly and vulnerable women; he becomes known as The River Valley Killer.

Colleen Stan relives what it was like to be kidnapped and imprisoned in a box, and how she escaped.

An examination into whether Ted Bundy, glamorized as a handsome, well-educated killer who outsmarted the law, was really an evil genius or a con artist posing as privileged to hide the monster in plain sight.

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.

A teen's murder shakes a Nevada community, especially when two unlikely people make confessions.

A teen's murder shakes a Nevada community, especially when two unlikely people make confessions.

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

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

After the body of a young San Antonio man is found dumped in a local cemetery, investigators retrace the victim's steps to untangle a web of deceit that begins with a heartless woman.

Coastal Texas is thrown into shock when a beloved retiree is found executed in his home; an unlikely witness comes forward and leads investigators to uncover a malicious murder plot.

Rumors spread through a small town in Indiana after a well-known resident is found dead in his home after hosting a party; authorities investigate accusations from the partygoers to expose how a toxic love triangle turned deadly.

When an Iowa mother and her newborn son are reported missing, police race against time to rescue the pair and stop a maniacal woman from enacting a dangerous plan.

When a loving father is shot to death in front of his home by a masked gunman on Halloween night, Los Angeles Police must follow the evidence to determine whether this was a case of holiday hijinks gone awry or something far more sinister.

Halloween turns into a real-life horror movie when a single mother is gunned down on her way home from trick-or-treating by a costumed killer in Florida; detectives uncover an unexpected witness that helps reveal the monster behind the mask.

When two men disappear in the quiet community of Clemmons, N.C., rumors swirl about a devil-worshipping couple and their house of horrors; an investigation leads police to discover there may be more than secrets buried in the backyard.

When a beloved woman goes missing in Everett, Wash., police find that her apartment was the scene of a violent attack; unable to find her, investigators are led to a coven of modern-day wiccans and one witness who reveals the horrifying truth.

A 62-year-old man bails his stepdaughter out of jail for attempted murder and is soon found dead, but investigators learn his death may not be what it seems.

Texas Rangers are brought in to investigate the most recent death when a San Angelo, Texas, woman loses three romantic partners in the span of three years.

Years after a beloved father is accidentally shot in his home, the family matriarch mysteriously vanishes; as a second investigation launches, a shocking confession reveals a family secret about how far a son is willing to go for his mother.

When searching for a missing woman, law enforcement on Long Island stumble upon the remains of other victims; as the killer of the so-called "Gilgo Four" remains elusive, police come to believe that the monster himself may live among them.

After Rex Heuermann is arrested and charged as the Gilgo Beach killer, a feverish hunt for information is undertaken - but his family isn't talking; now, for the first time, the loved ones of the alleged killer speak publicly.

With a mountain of seemingly damning evidence stacking up against him, Rex Heuermann's family struggles to understand how their beloved patriarch could be the monstrous serial killer law enforcement claims he is.

A 911 call in an upscale neighborhood leads police to the bodies of a mother and daughter in what appears to be a murder-suicide; investigators discover a trail of deceit that exposes an unexpected killer.

A 32-year-old man vanishes in Fort Meyers, Fla., and police quickly link an abandoned, blood soaked vehicle to his case, but investigators must determine if this missing man is a victim or killer.

Investigators follow a surveillance trail to uncover the events that led to the death of an Arizona man, who is shot in his garage before he is able to read the results of a paternity test.

Days before Christmas 1984, 12-year-old Jonelle Matthews vanishes from her home; as shock grips Greeley, Co., local detectives turn to the FBI, President Reagan and a national milk carton campaign for answers.

Nearly 35 years after Jonelle Matthews' disappearance, a chilling discovery reignites the hunt for her killer, whose secrets are finally unmasked; an unlikely hero comes forward and a historic trial forces a reckoning.

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

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.

A beautiful blonde seduces various lovers in a small town, causing havoc; it isn't until an unlikely witness steps forward and another tragic death occurs that the village becomes aware there is a cunning and charming killer in their midst.

When a Jeopardy-winning colleague romances Linda Kinkade, it seems she's won the jackpot until she dies mysteriously; it takes a wily cold-case cop to uncover an overlooked clue to put a killer behind bars.

Single mom Margie Danielsen falls in love with a handsome chef, but when an episode of "America's Most Wanted" airs, she realizes she may be far too close to a fugitive and must risk her life to bring him to justice.

When a dance instructor waltzes into widower Alan Helmick's life, he is elated until someone inspired by a movie puts an end to his dreams; It will take a savvy team of investigators to bring a killer to justice.

A yearslong investigation into the killer of Johnia Berry, who is stabbed more than 22 times in her Knoxville, Tenn., bedroom while her male roommate escapes.

Questions are raised when a teenager awakens to discover her father, a popular high school drama teacher, stabbed to death in his bedroom.

In an upscale high-rise in Chicago, a successful businesswoman is murdered as her boyfriend sleeps beside her; investigators point a finger at the boyfriend, but an exhaustive investigation uncovers the surprising architect of her murder.

When police investigate the murder of a Private Investigator the trail leads them to a wealthy woman who had affairs with both a father and his son.

A young mother's passionate affair with an old boyfriend ignites suspicion when someone close to both of them is murdered.

When a young military wife goes missing from a Marine base, investigators suspect a forbidden love affair and a secret pregnancy may have driven someone to murder.

The lifelong friendship of two men is threatened when they both love the same woman, leading investigators to suspect murder when one of them disappears.

After a small town dentist is stabbed to death, investigators discover a web of extra-marital affairs and infidelity, and the odd behavior of an unexpected suspect helps crack the case.

Emergency dispatch recieved 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 tyre 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.

Two women are murdered in the same town and police fear a serial killer is on the loose, further investigation finds that they were both close to the same man.

A teenager goes missing after an evening of horseback riding; her body is found a month later, three miles from her home; the killer unknowingly leaves a trace of evidence behind, tiny but unmistakable clues that pointed to him and him alone.

When a popular disc jockey is found murdered in a community garden, police swing into action; a sniffer dog and a blood spatter expert led police to the killer and he'd been much closer than they realize.

Three seemingly unrelated deaths proved to be serial murders; the killer had been careful, he uses poison which had no taste or odour, fortunately for investigators, it also has a unique chemical signature.

A man is murdered in his sleep but no fingerprints are anywhere to be found; a shoe impression outside could lead to the killer.

With very little else to go on, investigators find that a show impression puts them on the right track to finding a killer in Lansing, Mich.

The owner of a restaurant is killed; investigators uncover tales of debt and deceit, but the case remains open, until one detective gets inspired by an earlier episode of "Forensic Files," and looks for clues in an empty holster.

A man becomes the prime suspect in his wife's death after forensic science raises questions about her apparent suicide.

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

Kelly and Johnny Bonds answer the call of a grieving mother, whose 19-year-old son drowned while camping with friends; despite the medical examiner ruling it an accident, some suspect foul play.

Kelly and Abbey Abbondandolo investigate the cold-blooded murder of a fun-loving Texas country boy shot in the back of his head; it could the result of a love triangle gone tragically wrong.

The latest in the case of a missing young Oregon woman whose disappearance led to an intense manhunt after a suspect embarked on a two-state crime spree.

The latest in the case of a missing young Oregon woman whose disappearance led to an intense manhunt after a suspect embarked on a two-state crime spree.

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 soon-to-be college freshman Heather Maples is discovered murdered in her own bed, investigators discover a remarkable clue preserved at the scene.

Surveillance footage reveals a mysterious figure tracking 18-year-old Kelsey Smith's movements when she goes shopping for a present for her boyfriend but never returns home.

After asking to drop off a book off at a friend's house, 15-year-old Danielle Locklear never returns home, but a cryptic clue leads investigators to a secluded creek.

While 24-year-old Willard Grandstaff toils away at his convenience store job, he dreams of what the future holds; on Sept. 27, 2004, his standard overnight shift becomes his last.

A graduation party ends with a man's death and leaves two teenagers facing a long fight for justice.

The fire breaks out before dawn; after the smoke clears, a mother of two young children is found dead; it's the tragic end to a life that held so much promise, but for investigators, it is just the beginning.

Kevin and Morgan Mengel are happy at first, but when the marriage goes bad, he goes missing; police wonder if he simply left, but a family's relentless pursuit leads to a stunning confrontation and, eventually, the truth.

A family mourns the loss of a young mother in a house fire; authorities rule it an accident; years later, there is another accident and second loved one gone; investigating if this just a string of bad luck or the work of a calculating killer.

On Nantucket Island, Mass., a couple's connection is instantaneous, but their summer romance takes a tragic turn; it seems like an open-and-shut case, but there's a surprise in store.

A man makes a frantic call to 911 after finding his wife dead in a bathtub, but the couple's daughters lead police to investigate their father.

A story of obsession that boils over into a brutal crime which takes years to bring to trial and the verdict is far from the end of the case.

Aasha Davis moves to Hollywood with big dreams; her sister Lesley follows for support; Lesley goes missing and Aasha is desperate to find her; in a town built on deception, the police come up with a high-stakes plan to smoke out their suspect.

It is just before Halloween; Joel Lovelien and his fiancé head to a local bar packed with people in costume; Joel steps outside and walks into a troubling mystery.

Keith Reed is a highly-regarded school superintendent; when he doesn't show up at an out-of-town conference, it sets off alarm bells; investigators take a hard look at his love life for clues and make a startling discovery.