A bag full of evidence recovered from an iced-over river helps to reveal the murderer of a businesswoman in her own shop.

Eyewitness to real estate agent's murder is put under forensic hypnosis in an attempt to help him recall the killer's face.

Police launch a search for a killer after a teenager returns home to find his father's body in a pool of blood.

Pathologist examining the death of a politician who was running for re-election finds tiny puncture wounds at the autopsy.

A squashed tomato and a pinpoint reflection of light in a photo help catch a killer.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

After a former fire department volunteer dies in a house fire, inexplicable findings on scene, prison informants, and forged documents expose a duplicitous scheme, driven by insatiable greed, that began more than two years prior.

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.

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

A son becomes the prime suspect when he reports finding his mother stabbed to death in their home in a gated community in Davie, Fla.; detectives must determine if seemingly obvious clues really point to him -- or in another direction.

Abraham Shakespeare goes from rags to riches when he wins a big Florida lotto jackpot; then he disappears, and police must determine if he was escaping the greed of friends and family, or if his newfound fortune made him a target for foul play.

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.

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.

Wealthy residents feel safe in their gated community but it is not safe for one millionaire, murdered in his waterfront home; police investigate but the case grows cold; turns out the key to solving it, or two keys, are right at the front door.

The save the date cards had gone out; Angie Ver Huel went to sleep next to her fiancé, Justin Michael, with big dreams but woke up to a nightmare; someone was running from their bedroom and Justin was dead.

A beautiful, popular graduate student is shot dead outside her apartment in Durham, North Carolina.

A murder occurs in an affluent neighborhood with tree-lined streets; investigators find a riddle, a deception and a piece of pure evil.

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.

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

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

Police probe the shooting of father and his infant son on the streets of Miami -- while the child survives, the father does not.

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.

Mike Williams goes out duck hunting before dawn and never returns; authorities declare his death an accidental drowning, but Mike's mother believes he was murdered; after a dramatic secret comes to light, police believe she may be right.

Michele and Lloyd Neurauter are devoted to their three daughters, even after their divorce; when Michele is found dead in her home, police suspect she killed herself; then, they uncover a deadly betrayal too twisted to be true -- except it is true.

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.

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 family is in shock when their patriarch kills his brother-in-law and claims self-defense; when police uncover a bizarre story of missing cash and betrayal among this tight-knit immigrant family, the community doesn't know what or who to believe.

A former Marine is fatally shot by his neighbor in broad daylight; the shooter claims self-defense, but eyewitnesses state he was the aggressor; when investigators uncover a feud between the two, it calls both of their motivations into question.

Hector Campos fatally shoots neighbor Ana Weed after an argument on their property line; while Hector takes to national TV to plead self-defense, Ana's family reveals to investigators a tale of betrayal, secret spouses and a fateful escape to Mexico.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

A mystery in paradise unfolds when Sarm Heslop vanishes from her boyfriend's yacht; in a case that made international headlines, Andrea Canning recounts her memorable journey searching for a particular person of interest.

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.

A pastor's secrets come to light, triggering a murder investigation; Josh Mankiewicz looks back at a case that shattered a congregation and exposed the cost of their trust.

After Lisa Zeigert is killed, her family keeps the case in the public eye for decades; Andrea Canning reflects on the harrowing mystery and discusses the inspiration she's drawn from Lisa's loved ones.

A woman in Los Angeles is killed in an apparent botched burglary; nearly 20 years later, a detective discovers a clue that turns the case on its head; Josh Mankiewicz revisits a story with a twist that surprised him.

When Britney Ujlaky disappears, a small Nevada town bands together to track down an unknown cowboy who's a potential suspect; Some stories are memorable for their twists, people or locations; this one checks all three boxes.

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.

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.

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.

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

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.

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.

Investigative journalist Beth Karas follows Sam Little, a prolific U.S. serial killer who confessed to murdering more than 90 women in 17 states, in hopes of figuring out how he got away with murder for so long.

Exploring the reign of the Southside Slayer and the truth; the Southside Slayer wasn't one man, but four separate serial killers operating at the same time in the same place.

A young woman with film industry dreams disappears after leaving her home for a movie audition, leaving detectives to navigate Hollywood's murky underbelly in search of a treacherous serial predator.

While investigating the murder of a mild-mannered retired teacher found bludgeoned to death in the bathtub of his Hollywood home, detectives discover a cache of secret letters that could spell out a deadly motive and lead them to a monster.

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

After a beloved party planner at an iconic Laguna Beach, Calif., hotel is found murdered at home, investigators use high-tech tools and old-fashioned shoe leather to capture two killers and restore calm to the tight-knit beachside community.

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.

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 two friends are found shot to death across the street from the iconic Atlanta nightclub the Blue Flame, investigators discover the murder was part of an elaborate setup carried out by a surprising triggerman and an even more shocking accomplice.

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.

To many, it seemed like a romance between a former football player and homecoming queen; but when it ends in death, the police investigate; Dennis Murphy reflects on a secret relationship that led a churchgoing couple down a dangerous path.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

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

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.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

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

Nineteen-year-old college student Brook Baker is killed in her off-campus home; two years later, 21-year-old Erika Norman goes missing from the same university, leading detectives to examine their last days and discover the killer.

When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

20 years in the making, this special reexamines the Internet's first murder trial, revealing a twisted seductress with a skill for manipulation; after time in prison, she has a second chance at life and love with a stunning final update in her case.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

Kelly and Steve join the Searcy Police Department to untangle the mystery of a popular hairstylist, murdered on the night of her thirtieth birthday; is it an old flame, a new boyfriend or someone else entirely?

Kelly and Steve investigate the mysterious murder of a devoted mother of four, found stabbed to death in her van with her wedding band on the floor; was an alleged secret affair behind the shocking crime?

The team digs into the 1983 murder of a dedicated mother of six, stabbed in an apparent carjacking; clues at the scene hint that a dangerous man from her past may be responsible.

Kelly and Steve travel to Montana to investigate the famous case of a young Indigenous woman who vanished after a night out; analyzing surveillance video and her social media posts could finally bring justice to her community.

NYPD detectives race to unravel the strange murder of one of their own before a devious killer slips out of the country.

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 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 a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

The investigation of a bridal shop supervisor's violent murder leads detectives to Philly's music scene to reveal a hit list, an ultimatum, and an abusive musical mastermind.

When a beloved North Philadelphia school teacher is ambushed in a Dunkin' Donuts drive-thru, detectives uncover a deadly plot involving jealousy, deceit, and revenge.

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

He is the serial killer you've never heard of ... until now. In 1973, 22-year-old Doug Gretzler embarked on a cross-country road trip that spiraled into a brutal killing spree. In just three weeks, he and his accomplice, 28-year-old Willie Steelman, murdered 17 people. Their motive? A mystery that has left family members, law enforcement and experts baffled for decades. Drawing from first person interviews and over 500 hours of recorded conversations with Gretzler himself, hear his darkest confessions and the chilling psychology behind his crimes for the very first time.

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 model with a checkered past goes undercover to reveal the truth about a cold case involving a romantic getaway on a boat that ended with a woman being lost at sea.

As detectives struggle to find leads in the murder of a college student, the perpetrator strikes again.

Robert Davis, who was convicted of murdering a woman and her son, claims his confession was coerced and tries to prove he is innocent.

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.

The long-lost confession tapes of the man who claimed to be the Boston Strangler have been uncovered. Suppressed for decades, these exclusive tapes reignite doubts about his confession, inspiring experts to reexamine the evidence and suspects.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

When a missing man's bullet-riddled body is found off the side of a road, police must dig into his complicated past to uncover the truth; the case hits a standstill until information about the victim's car comes to light and reveals a toxic romance.

When a shocking crime is committed in broad daylight that leaves a young man dead on the street, the investigation uncovers a personal vendetta; in exclusive prison interviews, the killer couple each share their version of events.

When a young soldier goes missing two days after his wedding, authorities fear the worst has occurred in their small Ohio town; rumors of a sordid affair lead to a shocking betrayal that ended in not one, but two horrific crimes.

A house fire in a small town in Illinois ignites a homicide investigation after a mother's body is found in her bedroom; as police search for answers, a teenager's secret exposes a connection and a couple motivated by desperation.

After a teen girl is found dead in the backseat of her own car, detectives focus on the complicated relationships between the victim and the two girls who discovered her body. A third suspect emerges due to a suspicious injury.

A woman's lifeless body is rushed to a hospital in New York after two strangers found her unconscious at a subway station. As detectives dig into the victim's past, they uncover a complicated polyamorous romance proving that not all is what it seems.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

A high school love triangle turns deadly in Nevada desert.

A woman's lifeless body is rushed to a hospital in New York after two strangers found her unconscious at a subway station. As detectives dig into the victim's past, they uncover a complicated polyamorous romance proving that not all is what it seems.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

The quest to identify the oldest unidentified homicide victim in Massachusetts.

A detective becomes obsessed, and a son searches for answers.

A dangerous choice proves deadly for the "Lady of the Dunes."

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.

An investigation into the murder of a beloved couple in South Carolina reveals a feud and divides a family.

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.

On a bone-chilling January morning, when a 39-year-old day care owner goes missing, her fiance finds her wallet, keys and phone still in the house they share; the mystery deepens when the K9 unit searches the home but finds no trace of her.

Criminology student Imette St. Guillen was dedicating her life to catching killers when she herself was caught by one while celebrating her birthday late at night at a bar in lower Manhattan.

Millionaire banker and mother-of-two Shele Covlin had it all, until she fatally slipped and fell in her Upper West Side bathtub; days after her burial, information emerges, and the NYPD realizes this may be no accident.

When a Costa Rican computer programmer in search of the American Dream appears dead in his bathtub; detectives dive into a complex web of love, betrayal and organized crime, uncovering an unimaginable motive behind his brutal murder.

The investigation of a bridal shop supervisor's violent murder leads detectives to Philly's music scene to reveal a hit list, an ultimatum, and an abusive musical mastermind.

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.

When the bodies of 12 Black women surface in Missouri and Illinois, the serial killer taunts authorities by sending a cryptic letter to the local paper; as disturbing video evidence emerges, the scope of his crimes is uncovered.

After a young mother is murdered in broad daylight, Texas authorities are on a hunt for a masked gunman; the ensuing investigation uncovers a bitter custody battle and a vicious plot born of obsession.

A welfare check confirms the worst when a woman is found brutally murdered on her couch; the ensuing investigation leads authorities from Oklahoma to Arkansas where conflicting stories of a crime motivated by greed and jealousy are uncovered.

After a teen girl is found dead in the backseat of her own car, detectives focus on the complicated relationships between the victim and the two girls who discovered her body; a third suspect emerges due to a suspicious injury.

A woman's lifeless body is rushed to a hospital in New York after two strangers found her unconscious at a subway station. As detectives dig into the victim's past, they uncover a complicated polyamorous romance proving that not all is what it seems.

A shocking murder shatters a tight-knit community; but the killer isn't an outsider-it's one of their own; as suspicion spreads and secrets unravel, everyone is a suspect.

When a man is found dead at a secluded rest stop, Ohio police suspect foul play within his family; as evidence builds, tensions rise, and reveal the work of a criminal mastermind intent on manipulating everyone around them.

After the body of a small-town Mississippi woman is found in her garage and a mystery woman is caught red-handed on scene, police must work to identify a romantic rival obsessed with getting rid of the competition.

A noise complaint turns into a murder investigation for Florida police after they discover a man has been fatally shot in his home; years pass before an unexpected confession will expose a murder-for-hire plot fueled by betrayal and greed.

An Arkansas realtor sets her daughter up with the richest guy in town, but when he mysteriously dies, she's accused of stealing his fortune; additional deaths and a web of lies ensnares the rural community, leaving a family destroyed.

When a Chicago woman from a big family goes missing, investigators begin to suspect a man in her life is full of secrets.

After a woman reports a prowler, police find her Olympic bronze medalist husband dead in their backyard.

When remains are found amid the rubble after a house fire, authorities soon discover the incident was no accident.

A woman is abducted, turning an evening at a Mississippi casino into a nightmare; investigators uncover some startling truths and countless suspects, but it's a shocking twist that finally leads to an unexpected arrest.

When a celebration starts to sour, tempers flare and someone vanishes; days later, a body is discovered in an unsavory part of a Northern California town; after the case goes cold, it takes an unexpected plea to finally catch a killer.

An Ozarks country wedding brings hope and second chances to a Christian couple; but friends and family are mystified when they vanish in the dead of night from a farmhouse that had been given to them by the groom's mother.

Happy newlyweds renovate a house for their future family when tragedy strikes; it isn't until a dark and twisted secret is revealed that justice is served for a devastating double homicide.

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.

A third-grader wakes up to a nightmare, finding his mother stabbed nearly 40 times in her bed; the police suspect those closest to her as their investigation uncovers the shocking evil that crept inside her house that night.

In small-town Arkansas, as his wife sleeps nearby, a larger-than-life personality is silenced when a killer fires a single bullet into his head; suspects include the victim's wife and a jealous neighbor.

When a retired cop is found shot to death on a subway train in Brooklyn, detectives soon discover that his death is linked to two other seemingly random shootings in the previous thirteen hours.

When a sibling dispute over money turns into a double murder, all of Brooklyn is on alert for the missing killer; days turn into months and then years, as the NYPD manhunt turns into a national and international chase for the fugitive.

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 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.

After police discovers the burned body of a missing Miami man at the edge of the Florida Everglades, the wife of a local supermarket mogul comes forward to reveal a secret and possible lead.

While responding to a house fire in New Jersey, firefighters discover the burned remains of the homeowner in the basement; new interviews and legal developments about the latest twists and turns in the case.

An ATM transaction allows Texas detectives to pinpoint a suspect in the slaying of a teacher, but a shoelace stolen from the victim's home proves to be the tie that binds her killer to the crime.

Ten years after the murder of a rock singer, forensic scientists use evidence collected to finally bring her killer to justice.

After a Michigan State University grad student disappears and is presumed dead, a professor of geological sciences helps police get the dirt on her killer.

When a man's wife kills herself 14 years after his college sweetheart commits suicide, police start to get suspicious.

A woman gets shot in her driveway; she may have been the victim of a co-worker half her age that she had recently rejected.

A pair of tennis shoes are found near a victim who had been stabbed on the beach, less than ten yards from her hotel.

Three fingerprints on a window screen are enough for a print examiner to uncover the work of a serial killer.

With a long list of suspects, forensic experts agree on one thing in this brutal murder: the killer knew his victim.

The only lead to finding a serial killer on the loose is a bloody fingerprint on the body of a victim.

Tests reveal the race, eye color and hair color of the person responsible for killing two young women on Halloween night.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

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.

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

A recently retired woman is found murdered, and detectives struggle with a lack of evidence and try to track down a long list of suspects.

After a Texas mother is found murdered in an office bathroom, her husband admits a disturbing past while police chase down a serial killer; the case goes cold until an oversight leads to a surprise suspect and an FBI manhunt south of the border.

Todd Winkler claims self-defense after being arrested for killing his wife, Rachel; investigators travel to Georgia to find out how Todd's first wife died on a camping trip 10 years earlier.

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

Investigating whether an explosion in a rice field in Colusa County, California that killed farm manager Roberto Ayala is an accident or murder.

Detectives often hit dead ends, but one young detective sees dead ends as starting points; she's beaten the odds in her own life, and, now, she's determined to beat them on the job using her head and her heart.

When a pediatric dentist is found dead, police uncover a complex plot and their suspect leads investigators on an international manhunt; the lead detective speaks out for the first time.

A devoted mother is found shot to death in her minivan; the case stays cold until old memories resurface and new revelations come to light, dividing her Florida family.

After a plastic surgeon and local musician is murdered in his Asheville home, investigators uncover a trail of clues pointing to an unlikely killer; new details emerge from exclusive TV interviews with insiders close to the case.

The investigation into a home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from interviews.

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.

When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything; the woman who helped investigators speaks out.

When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything; the woman who helped investigators speaks out.

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

Dallas police discover three women murdered with their eyes surgically removed; police believe they have a deranged doctor on the loose until two rookie cops find themselves on the trail of a man with a talent for taxidermy and a hatred for women.

Texas authorities have a killer riding the rails and leaving a literal trail of bread crumbs after eating at victims' tables; when more murders are linked, the FBI names a Most Wanted suspect and a national manhunt for The Railroad Killer ensues.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

It is a case Josh Mankiewicz cannot forget because, while a student-athlete did everything right to keep herself safe, others did not; after she was found murdered, investigators learned she reached out for help multiple times before her death.

Andrea Canning reflects on a story that reminded her how people can be vulernable and how quickly life can change; she speaks with Judge Esther Salas about the knock at her door that robbed her of the most important thing in her life.

A man with both power and prestige managed to fool everyone, right up until his arrest.

The case involved detective work so unique, it managed to stay with Dennis Murphy for years; days before Christmas, Michelle Martinko was visiting the mall when she was found stabbed to death; investigators found her killer almost 40 years later.

Andrea Canning reflects on a case fueled by a rage so hot, it is seared into her memory; the battle between a wife and a mistress for one man's heart led down a deadly path, to a showdown on the highway.

A case that reveals an ugly secret about life in the military and one Andrea Canning will not forget; when soldier Vanessa Guillen vanishes from Fort Hood, her family brings attention to her disappearance and revelations inspire a movement.

Aaron Fraser, who was only 3 when his mother disappeared, unlocks the mystery after more than two decades.

When a pharmacist is found shot dead, investigators go on a 15-year hunt for his killer; for Andrea Canning, this story has unique locations, fascinating potential suspects and riveting plot twists, but says the victim makes this mystery special.

A former ballerina shoots her husband in what she alleges was an act of self-defense; the ensuing investigation and dramatic trial spark protests and receives national attention.

After an apparent brazen home invasion during the holiday season in a Connecticut community leaves Connie Dabate dead, investigators discover a silent witness that cracks the case wide open.

Authorities take two years and three trials to solve the shooting death of the wife of an FBI agent in their home; Dennis Murphy remembers some of the most intense moments he's witnessed in a courtroom.

Texas detectives investigating the murder of 22-year-old Molly Matheson uncover a trail of sexual assault crimes; Josh Mankiewicz is still disturbed by what survivors connected to the case told him about their fight for justice.

North Carolina detectives search for answers in the murder of 28-year-old Fayetteville construction worker James Chambers; featuring interviews with James' family members and investigators at the center of the case.

North Carolina detectives search for answers in the murder of 28-year-old Fayetteville construction worker James Chambers; featuring interviews with James' family members and investigators at the center of the case.

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

Friends in New Orleans hit the town for a night out; but one of them is found dead in the trunk of a burned-out car the following morning; no one escapes suspicion, but it's the victim's own words that eventually help bring down her killer.

After a night out with good friends in Minneapolis, one of them disappears; days later, when human remains are discovered, investigators travel a chilling path to catch a killer before another night ends in murder.

A typical summer morning for 4-year-old Heidi Jones turns into a nightmare when she finds her mother dead in the living room; law enforcement works feverishly to solve the murder of Loretta Jones; an exhumation is the key to solving the case.

Weeks from giving birth, Meg Purk is found dead in her home of an apparent suicide.

The shooting death of Brad McGarry, a gay coal miner in Bellaire, Ohio, has detectives suspecting a hate crime, but when a shocking secret comes to light, it reveals an unexpected motive for murder.

A loving grandfather and the life of the party, Harvey Huber's vanishing forces his small-town into an anguished search to find him; a late-night hunch from a member of the vaunted Texas Rangers reveals a shocking betrayal of love and friendship.

When 21-year-old Julie Gonzalez disappears in Austin, Texas, her family is determined to find her and never gives up; after a slow start, law enforcement uses a national television appearance and a gaming device to expose the deadly truth.

Keiona Braxton excitedly awaits the birth of her first child, but when detectives are called to her burning apartment, they uncover a scene of unparalleled violence and use the clues on Keiona's own body to point them to the killer.

A veteran cop falls for a beloved grandma he hopes to spend the rest of his life with, but when a home cooked meal sends them both racing to the hospital... this granny's gravy, and her sordid past, are brought under scrutiny.

A respected fire department captain disappears during a fishing trip, but an exhaustive search turns up nothing; almost two years later, a tip reveals a sinister tale of manipulation and a granny whose wishing well hides buried secrets.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

When 18-year-old Anjelica AJ Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal.

When Nichole Payne and her son Taylor are found dead in their home, investigators wonder if this is a murder-suicide or if someone wants it to look that way. The mystery takes nearly a decade to unravel.