The drug-related death of a 17-year-old girl sheds light on a new class of synthetic drugs that has law enforcement agencies on alert.

In 1999, a successful businessman is brutally murdered in his garage during a robbery, witnessed by his wife. For decades, the case goes cold until a breakthrough in DNA technology uncovers the shocking identities of the killers.

An Arizona socialite makes a gruesome discovery, which leads local law enforcement to ask questions about her troubled marriage; she claims she found a man dead, but police have reason to believe otherwise.

A single mother is found dead in a hotel stairwell and detectives quickly uncover that she had a secret life that may have led to her demise.

When a Texarkana square dancer is gunned down on the steps of her home, detectives follow a trail of surveillance footage leading straight to the killer.

Allegations of real estate fraud and rumors of murder have Sarasota Police on the trail of a criminal whose final plan to evade trouble lands her in the very hands she tried to avoid.

A professor is found dead inside his Jeep in what appears to be a car accident in Tennessee; after evidence at the scene points to foul play, the ensuing investigation exposes secrets of infidelity and a crime motivated by lust and money.

A mom starts online dating to try and cope after an unexpected tragedy; she gets pulled into the underbelly of the BDSM world and then disappears; investigators spend over a year unraveling this mystery.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

When a Texarkana square dancer is gunned down on the steps of her home, detectives follow a trail of surveillance footage leading straight to the killer.

Allegations of real estate fraud and rumors of murder have Sarasota Police on the trail of a criminal whose final plan to evade trouble lands her in the very hands she tried to avoid.

A professor is found dead inside his Jeep in what appears to be a car accident in Tennessee; after evidence at the scene points to foul play, the ensuing investigation exposes secrets of infidelity and a crime motivated by lust and money.

A mom starts online dating to try and cope after an unexpected tragedy; she gets pulled into the underbelly of the BDSM world and then disappears; investigators spend over a year unraveling this mystery.

Atlanta-area detectives find the decomposing body of college student Carlnell Walker in the trunk of his car; they suspect the motive is somehow connected to his pumped-up social media profile and larger-than-life rap persona.

In an affluent New Mexico oil town, family man and former US Marine Darrell Blagg is gunned down just inside his back door; investigators are convinced his distraught wife and two grieving sons know more than they're willing to share.

During a violent home invasion in San Diego, a masked intruder shoots criminal defense lawyer Tim MacNeil in the head. And though investigators suspect a connection to his work, a composite sketch ultimately reveals a sinister plot closer to home.

Police find beauty salon owner Dana Satterfield murdered in the storeroom of her South Carolina shop; their investigation spans ten years before a chance encounter can convince a key witness to reveal what he knows.

A retired police officer fears his missing daughter has been murdered, kickstarting an investigation where the killer appears to be one step ahead; a pair of twins hold a secret that threatens to tear apart their close bond.

After hearing about a religious cult stockpiling weapons on an isolated farm outside Rulo, Nebraska, FBI agents cultivate an informant from inside the group who details the torture and murder being ordered by the group's diabolical leader.

After crossing the Mexican border from Brownsville, Texas, a student out on spring break goes missing; the investigation leads US officials to a cult known for practicing witchcraft led by a former male model and a high school cheerleader.

Atlanta-area detectives find the decomposing body of college student Carlnell Walker in the trunk of his car; they suspect the motive is somehow connected to his pumped-up social media profile and larger-than-life rap persona.

In an affluent New Mexico oil town, family man and former US Marine Darrell Blagg is gunned down just inside his back door; investigators are convinced his distraught wife and two grieving sons know more than they're willing to share.

During a violent home invasion in San Diego, a masked intruder shoots criminal defense lawyer Tim MacNeil in the head. And though investigators suspect a connection to his work, a composite sketch ultimately reveals a sinister plot closer to home.

Police find beauty salon owner Dana Satterfield murdered in the storeroom of her South Carolina shop; their investigation spans ten years before a chance encounter can convince a key witness to reveal what he knows.

A retired police officer fears his missing daughter has been murdered, kickstarting an investigation where the killer appears to be one step ahead; a pair of twins hold a secret that threatens to tear apart their close bond.

After hearing about a religious cult stockpiling weapons on an isolated farm outside Rulo, Nebraska, FBI agents cultivate an informant from inside the group who details the torture and murder being ordered by the group's diabolical leader.

After crossing the Mexican border from Brownsville, Texas, a student out on spring break goes missing; the investigation leads US officials to a cult known for practicing witchcraft led by a former male model and a high school cheerleader.

A Detroit man wishes his neighbor lived on the opposite end of 8 Mile Road.

They say fences make good neighbors, but sometimes they can make dead ones.

Some grudges die hard, but this neighbor's won't die until his enemies do.

When 21-year-old engineering student Lynda Shaw is abducted and killed, investigators in Ontario, Canada, look at dozens of suspects, including one of the country's most notorious serial killers; the case goes cold.

After spring break, 19-year-old Shannon Melendi vanishes in Atlanta; when their suspect's home burns, Georgia police fear a serial killer.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

Atlanta-area detectives find the decomposing body of college student Carlnell Walker in the trunk of his car; they suspect the motive is somehow connected to his pumped-up social media profile and larger-than-life rap persona.

In an affluent New Mexico oil town, family man and former US Marine Darrell Blagg is gunned down just inside his back door; investigators are convinced his distraught wife and two grieving sons know more than they're willing to share.

During a violent home invasion in San Diego, a masked intruder shoots criminal defense lawyer Tim MacNeil in the head. And though investigators suspect a connection to his work, a composite sketch ultimately reveals a sinister plot closer to home.

Police find beauty salon owner Dana Satterfield murdered in the storeroom of her South Carolina shop; their investigation spans ten years before a chance encounter can convince a key witness to reveal what he knows.

A Detroit man wishes his neighbor lived on the opposite end of 8 Mile Road.

They say fences make good neighbors, but sometimes they can make dead ones.

Some grudges die hard, but this neighbor's won't die until his enemies do.

When 21-year-old engineering student Lynda Shaw is abducted and killed, investigators in Ontario, Canada, look at dozens of suspects, including one of the country's most notorious serial killers; the case goes cold.

After spring break, 19-year-old Shannon Melendi vanishes in Atlanta; when their suspect's home burns, Georgia police fear a serial killer.

When a retired Dauphin County sheriff is found burned to death, investigators zero in on his wife's bizarre behavior. They must quickly determine whether the death was the result of a mental health crisis or a malicious plan to kill.

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 an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

They say fences make good neighbors, but sometimes they can make dead ones.

Some grudges die hard, but this neighbor's won't die until his enemies do.

When 21-year-old engineering student Lynda Shaw is abducted and killed, investigators in Ontario, Canada, look at dozens of suspects, including one of the country's most notorious serial killers; the case goes cold.

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.

After spring break, 19-year-old Shannon Melendi vanishes in Atlanta; when their suspect's home burns, Georgia police fear a serial killer.

When a retired Dauphin County sheriff is found burned to death, investigators zero in on his wife's bizarre behavior. They must quickly determine whether the death was the result of a mental health crisis or a malicious plan to kill.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

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

A gospel radio host and her son get into a minor street parking dispute with their next-door neighbor; yet the neighbor's anger is anything but minor, and soon, the whole community bears witness to his unleashed wrath.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

When a single man buys a home in a rural community, he becomes fast friends with his neighbor until a minor parking issue sets them at odds; police are soon summoned for everything from horse manure to death threats.

A gospel radio host and her son get into a minor street parking dispute with their next-door neighbor; yet the neighbor's anger is anything but minor, and soon, the whole community bears witness to his unleashed wrath.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

A retired nuclear physicist is reported missing and investigators discover he lived a reclusive life fueled by paranoia, but as detectives race to find him, they begin to wonder whether his fears were unfounded or if his worst nightmare came true.

Detectives suspect an inside job when a coin collector and his wife are found dead in their home with no sign of forced entry or evidence of theft.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

When a single man buys a home in a rural community, he becomes fast friends with his neighbor until a minor parking issue sets them at odds; police are soon summoned for everything from horse manure to death threats.

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

A retired nuclear physicist is reported missing and investigators discover he lived a reclusive life fueled by paranoia, but as detectives race to find him, they begin to wonder whether his fears were unfounded or if his worst nightmare came true.

The mystery of a Florida hotel owner's disappearance confounds family, friends and the detectives investigating the case.

The stabbing murder of a 20-year-old woman in the suburbs of Philadelphia stymies detectives until a series of eerily similar murders six years later reveals a killer that has been hiding in plain sight all along.

When a Sarasota, Florida gallery proprietor is found murdered and posed like a grisly sculpture, everyone in the renowned art community fears for their lives wondering if it could be one of their own artists putting evil on display.

Federal agents descend on a tiny Ohio town after a beloved girl goes missing; fearing their cornfields harbor a terrible truth, theories abound and panic spikes in this serene community; it's a race against time as investigators close in on a killer.

Detectives suspect an inside job when a coin collector and his wife are found dead in their home with no sign of forced entry or evidence of theft.

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

A retired nuclear physicist is reported missing and investigators discover he lived a reclusive life fueled by paranoia, but as detectives race to find him, they begin to wonder whether his fears were unfounded or if his worst nightmare came true.

The mystery of a Florida hotel owner's disappearance confounds family, friends and the detectives investigating the case.

The stabbing murder of a 20-year-old woman in the suburbs of Philadelphia stymies detectives until a series of eerily similar murders six years later reveals a killer that has been hiding in plain sight all along.

When a Sarasota, Florida gallery proprietor is found murdered and posed like a grisly sculpture, everyone in the renowned art community fears for their lives wondering if it could be one of their own artists putting evil on display.

Federal agents descend on a tiny Ohio town after a beloved girl goes missing; fearing their cornfields harbor a terrible truth, theories abound and panic spikes in this serene community; it's a race against time as investigators close in on a killer.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

A general store owner in Rusk, Texas, calls 911 and makes a harrowing confession, but as detectives dig deeper, they discover a disturbing pattern making them rethink the motivation behind the crime.

When a large and boisterous family moves to a quiet street, the neighbors directly across from them get into immediate conflict over all the noise; soon the dispute consumes everyone and is only settled with the deadly crack of a baseball bat.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

The story of two families whose initially warm welcome curdles into something far more sinister.

When a large and boisterous family moves to a quiet street, the neighbors directly across from them get into immediate conflict over all the noise; soon the dispute consumes everyone and is only settled with the deadly crack of a baseball bat.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

An early morning apartment fire in Fort Worth, Texas, sparks a murder investigation when a young woman's body is found beaten and bound inside; detectives quickly work to solve the case and uncover an elaborate plot fueled by revenge and greed.

A woman's story about an abduction and murder helps reopen a decades-old case that has weighed heavy on a New York town.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

The story of two families whose initially warm welcome curdles into something far more sinister.

A general store owner in Rusk, Texas, calls 911 and makes a harrowing confession, but as detectives dig deeper, they discover a disturbing pattern making them rethink the motivation behind the crime.

An early morning apartment fire in Fort Worth, Texas, sparks a murder investigation when a young woman's body is found beaten and bound inside; detectives quickly work to solve the case and uncover an elaborate plot fueled by revenge and greed.

A microscopic clue and a stroke of luck help authorities solve the murder of a young woman that took place inside her Jacksonville Beach, Fla., home.

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

"The Swan" is supposed to be fairytale makeover television, but when the cast discovers they're really contestants in a plastic surgery face-off, it becomes a nightmare.

Skilled as a performer in the ring and as a booker, who created storylines behind the scenes; 'Hot Stuff' Eddie Gilbert was a ticking time bomb of talent and self-destruction.

A woman's story about an abduction and murder helps reopen a decades-old case that has weighed heavy on a New York town.

A general store owner in Rusk, Texas, calls 911 and makes a harrowing confession, but as detectives dig deeper, they discover a disturbing pattern making them rethink the motivation behind the crime.

An early morning apartment fire in Fort Worth, Texas, sparks a murder investigation when a young woman's body is found beaten and bound inside; detectives quickly work to solve the case and uncover an elaborate plot fueled by revenge and greed.

A microscopic clue and a stroke of luck help authorities solve the murder of a young woman that took place inside her Jacksonville Beach, Fla., home.

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

"The Swan" is supposed to be fairytale makeover television, but when the cast discovers they're really contestants in a plastic surgery face-off, it becomes a nightmare.

Skilled as a performer in the ring and as a booker, who created storylines behind the scenes; 'Hot Stuff' Eddie Gilbert was a ticking time bomb of talent and self-destruction.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

After a mother and son are brutally attacked during a home invasion, Illinois police chase down several leads; they uncover a shocking motive with an occult leader and her loyal followers at the center of the crime.

Flooding in Australian wine country raises an argument over an old fence separating neighbors; the dispute escalates from repeated screaming matches and threats to physical fighting and vandalism, culminating in a brutal stabbing death.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

Two rural families get along famously until one claims the other's dog killed their goat; when the dog goes missing, accusations fly; both families get locked in conflict, with outrages piling up until human blood spills.

Flooding in Australian wine country raises an argument over an old fence separating neighbors; the dispute escalates from repeated screaming matches and threats to physical fighting and vandalism, culminating in a brutal stabbing death.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

When a beloved mother goes missing on her birthday, detectives are faced with several possible suspects before focusing on a co-worker with a shocking past who will do anything to hide their true identity.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

Two rural families get along famously until one claims the other's dog killed their goat; when the dog goes missing, accusations fly; both families get locked in conflict, with outrages piling up until human blood spills.

After a mother and son are brutally attacked during a home invasion, Illinois police chase down several leads; they uncover a shocking motive with an occult leader and her loyal followers at the center of the crime.

When a beloved mother goes missing on her birthday, detectives are faced with several possible suspects before focusing on a co-worker with a shocking past who will do anything to hide their true identity.

After a young mom is found dead on the side of a country road, 40 miles from her Knoxville home, investigators scramble to figure out how she ended up there.

When deadly gunfire erupts in an Austin, Texas home in the middle of the night, detectives wonder if the homeowners' jewelry business is a possible motive; an investigation uncovers a suspect no one saw coming.

A husband comes home to find his wife dead next to their outdoor fishpond; her cause of death appears to be from a trip and fall, but when investigators follow a twisted trail of familial deceit and greed, new truths bring her death into question.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

After a mother and son are brutally attacked during a home invasion, Illinois police chase down several leads; they uncover a shocking motive with an occult leader and her loyal followers at the center of the crime.

When a beloved mother goes missing on her birthday, detectives are faced with several possible suspects before focusing on a co-worker with a shocking past who will do anything to hide their true identity.

After a young mom is found dead on the side of a country road, 40 miles from her Knoxville home, investigators scramble to figure out how she ended up there.

When deadly gunfire erupts in an Austin, Texas home in the middle of the night, detectives wonder if the homeowners' jewelry business is a possible motive; an investigation uncovers a suspect no one saw coming.

A husband comes home to find his wife dead next to their outdoor fishpond; her cause of death appears to be from a trip and fall, but when investigators follow a twisted trail of familial deceit and greed, new truths bring her death into question.

Police search for the killer of an elderly upscale Toronto couple.

After a small-town man is found shot to death at a Missouri roadside park, the evidence trail leads detectives further into the man's complicated past where they uncover a wicked plot that no one saw coming.

In financial trouble, a woman rents out rooms in her home to two men, which leads to a toxic mix of misgivings, madness and murder.

Police search for the killer of an elderly upscale Toronto couple.

Two college students rent an apartment off campus together, but the two women couldn't be more different; squabbles escalate into an all-out war, and the presence of a boyfriend causes the feud to boil over into a deadly fight.

In financial trouble, a woman rents out rooms in her home to two men, which leads to a toxic mix of misgivings, madness and murder.

Police search for the killer of an elderly upscale Toronto couple.

Police follow a lead in a missing persons investigation to a 115-acre farm, unearthing the site of a gruesome crime and a seductive killer that will go down in New Hampshire history.

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

Police search for the killer of an elderly upscale Toronto couple.

Two college students rent an apartment off campus together, but the two women couldn't be more different; squabbles escalate into an all-out war, and the presence of a boyfriend causes the feud to boil over into a deadly fight.

After a small-town man is found shot to death at a Missouri roadside park, the evidence trail leads detectives further into the man's complicated past where they uncover a wicked plot that no one saw coming.

Police follow a lead in a missing persons investigation to a 115-acre farm, unearthing the site of a gruesome crime and a seductive killer that will go down in New Hampshire history.

Abducted at the age of four and raised by her kidnapper, a woman embarks on a journey of discovery.

A tech titan is stabbed to death in San Francisco, sparking headlines and rumors; speculators are quick to draw conclusions, but Josh Mankiewicz revisits how video evidence revealed a far more complicated 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.

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

After a small-town man is found shot to death at a Missouri roadside park, the evidence trail leads detectives further into the man's complicated past where they uncover a wicked plot that no one saw coming.

Police follow a lead in a missing persons investigation to a 115-acre farm, unearthing the site of a gruesome crime and a seductive killer that will go down in New Hampshire history.

Abducted at the age of four and raised by her kidnapper, a woman embarks on a journey of discovery.

A tech titan is stabbed to death in San Francisco, sparking headlines and rumors; speculators are quick to draw conclusions, but Josh Mankiewicz revisits how video evidence revealed a far more complicated 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.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

A loving father agrees to give his ex-wife a chance to reconcile; when his loved ones can't reach him, an unexpected tip is brought to Oklahoma police that uncovers a toxic love triangle and horrific crime scene.

A hospital worker invites a colleague, who's fallen on hard times, to come live with her; but the good deed backfires, and it only takes a few weeks before a stealthy betrayal turns into a gruesome crime.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

Two women strike up a fast friendship and move in together; a lack of privacy and a secret relationship rips apart the harmony; a battle for control ends in murder.

A hospital worker invites a colleague, who's fallen on hard times, to come live with her; but the good deed backfires, and it only takes a few weeks before a stealthy betrayal turns into a gruesome crime.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

When a beloved family man dies in a house fire, his wife and children must grapple with his unexpected loss.

A respected military man is attacked and murdered in the middle of the night.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

Two women strike up a fast friendship and move in together; a lack of privacy and a secret relationship rips apart the harmony; a battle for control ends in murder.

A loving father agrees to give his ex-wife a chance to reconcile; when his loved ones can't reach him, an unexpected tip is brought to Oklahoma police that uncovers a toxic love triangle and horrific crime scene.

When a beloved family man dies in a house fire, his wife and children must grapple with his unexpected loss.

The FBI gets involved when a Virginia man's wife and son are kidnapped while vacationing in the Philippines, with a terrorist group demanding millions in ransom.

After a woman's beaten body is found on the side of a road, a grisly scene is uncovered at a nearby motel. As police begin to put the pieces together, a man comes forward with details of the crime, leading to a toxic throuple that ended in bloodshed.

A young man is brutally murdered, and a woman is found covered in blood just hours later; she is adamant that she is innocent, and later a twist in the case shocks everyone involved.

When a police officer goes missing, it becomes apparent he is the victim of a jealous wrath.

A respected military man is attacked and murdered in the middle of the night.

A loving father agrees to give his ex-wife a chance to reconcile; when his loved ones can't reach him, an unexpected tip is brought to Oklahoma police that uncovers a toxic love triangle and horrific crime scene.

When a beloved family man dies in a house fire, his wife and children must grapple with his unexpected loss.

The FBI gets involved when a Virginia man's wife and son are kidnapped while vacationing in the Philippines, with a terrorist group demanding millions in ransom.

After a woman's beaten body is found on the side of a road, a grisly scene is uncovered at a nearby motel. As police begin to put the pieces together, a man comes forward with details of the crime, leading to a toxic throuple that ended in bloodshed.

A young man is brutally murdered, and a woman is found covered in blood just hours later; she is adamant that she is innocent, and later a twist in the case shocks everyone involved.

When a police officer goes missing, it becomes apparent he is the victim of a jealous wrath.

When a Kapowsin, Wash., mother is discovered murdered on her couch in a compromised position, investigators must piece together all the evidence to determine if this was a random crime of opportunity or a facade to humiliate the victim.

Police race for answers after a school teacher is found murdered in her San Antonio, Texas, apartment; while lies and betrayals come to light, the case goes cold, but one detective refuses to give up.

An immigrant from Pakistan is found brutally murdered inside his Washington, D.C., pizzeria; given the lack of forced entry, investigators believe he knew his killer and a plot involving marriage fraud surfaces, leading to a deadly crime of passion.

A loving grandmother from a traveling community is found brutally murdered, shocking all; investigators soon uncover a web of lies, identity theft and millions in insurance fraud that point to who killed this sweet old lady.

A serial rapist stalks elderly women for nearly 20 years before escalating to murder.

A sniper targeting abortion doctors turns murderous and a DNA "needle in a haystack" identifies the gunman.

When a Kapowsin, Wash., mother is discovered murdered on her couch in a compromised position, investigators must piece together all the evidence to determine if this was a random crime of opportunity or a facade to humiliate the victim.

Police race for answers after a school teacher is found murdered in her San Antonio, Texas, apartment; while lies and betrayals come to light, the case goes cold, but one detective refuses to give up.

An immigrant from Pakistan is found brutally murdered inside his Washington, D.C., pizzeria; given the lack of forced entry, investigators believe he knew his killer and a plot involving marriage fraud surfaces, leading to a deadly crime of passion.

A loving grandmother from a traveling community is found brutally murdered, shocking all; investigators soon uncover a web of lies, identity theft and millions in insurance fraud that point to who killed this sweet old lady.

In a wealthy Dallas suburb, a boy finds his mother unconscious and tied to her four-poster bed; Texas investigators are convinced Rozanne Gailiunas, a hardworking nurse, knew her killer.

In the middle of the night, a gunman kills reformed ex-gang member Aaron Iturra while asleep in his bed; Oregon detectives piece together the link between a mysterious phone call, a local anti-gang activist and a stolen pack of cigarettes.

In California, a young woman reports her 19-year-old fiancé missing; a year later, hikers find his remains in the woods.

When police discover 63-year-old Diana Burrow dead on her couch, authorities in her sleepy North Carolina community conclude she died from natural causes; a chorus of small-town rumors suggest it's a homicide, the police takes a closer look.

An affluent family at war with each other for over a decade, find themselves at the center of a murder investigation when a beloved uncle is found dead. Police unravel a conspiracy involving a wayward son and a counterfeit secret agent.

After three obedient followers die during an intense sweat lodge ceremony put on by a prominent self-help guru, police must determine if their deaths were accidental, or did the guru push the participants too far.

To his followers, he's an angel who died and came back to life, but when seemingly accidental deaths keep occurring around him, one investigator digs deeper.

In a wealthy Dallas suburb, a boy finds his mother unconscious and tied to her four-poster bed; Texas investigators are convinced Rozanne Gailiunas, a hardworking nurse, knew her killer.

In the middle of the night, a gunman kills reformed ex-gang member Aaron Iturra while asleep in his bed; Oregon detectives piece together the link between a mysterious phone call, a local anti-gang activist and a stolen pack of cigarettes.

In California, a young woman reports her 19-year-old fiancé missing; a year later, hikers find his remains in the woods.

When police discover 63-year-old Diana Burrow dead on her couch, authorities in her sleepy North Carolina community conclude she died from natural causes; a chorus of small-town rumors suggest it's a homicide, the police takes a closer look.

An affluent family at war with each other for over a decade, find themselves at the center of a murder investigation when a beloved uncle is found dead. Police unravel a conspiracy involving a wayward son and a counterfeit secret agent.

After three obedient followers die during an intense sweat lodge ceremony put on by a prominent self-help guru, police must determine if their deaths were accidental, or did the guru push the participants too far.

To his followers, he's an angel who died and came back to life, but when seemingly accidental deaths keep occurring around him, one investigator digs deeper.

A Virginia man insists, What's mine is mine, and what's yours is mine.

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

Two women with a shared wall between their townhouses become increasingly volatile with each other; food fights, physical altercations and vandalism come to a bloody climax.

Revisiting homicide cases that took place during spring break, investigating a murder and revealing the dark side of a holiday that should usually be a carefree time.

After a no-show spring break in Miami, the search is on for Tamika Huston.

A serial rapist stalks elderly women for nearly 20 years before escalating to murder.

In a wealthy Dallas suburb, a boy finds his mother unconscious and tied to her four-poster bed; Texas investigators are convinced Rozanne Gailiunas, a hardworking nurse, knew her killer.

In the middle of the night, a gunman kills reformed ex-gang member Aaron Iturra while asleep in his bed; Oregon detectives piece together the link between a mysterious phone call, a local anti-gang activist and a stolen pack of cigarettes.

In California, a young woman reports her 19-year-old fiancé missing; a year later, hikers find his remains in the woods.

When police discover 63-year-old Diana Burrow dead on her couch, authorities in her sleepy North Carolina community conclude she died from natural causes; a chorus of small-town rumors suggest it's a homicide, the police takes a closer look.

A Virginia man insists, What's mine is mine, and what's yours is mine.

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

Two women with a shared wall between their townhouses become increasingly volatile with each other; food fights, physical altercations and vandalism come to a bloody climax.

Revisiting homicide cases that took place during spring break, investigating a murder and revealing the dark side of a holiday that should usually be a carefree time.

After a no-show spring break in Miami, the search is on for Tamika Huston.

A missing family man is found murdered in his car near his home in New York. When evidence of a secret affair is exposed, detectives unravel a chilling conspiracy orchestrated by individuals close to him and a mastermind driven by greed.

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.

A serial rapist stalks elderly women for nearly 20 years before escalating to murder.

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

Two women with a shared wall between their townhouses become increasingly volatile with each other; food fights, physical altercations and vandalism come to a bloody climax.

Revisiting homicide cases that took place during spring break, investigating a murder and revealing the dark side of a holiday that should usually be a carefree time.

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 no-show spring break in Miami, the search is on for Tamika Huston.

A missing family man is found murdered in his car near his home in New York. When evidence of a secret affair is exposed, detectives unravel a chilling conspiracy orchestrated by individuals close to him and a mastermind driven by greed.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

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.

A man rents out a room to an old buddy, but their contrasting living habits create chaos in the house; tiny arguments turn into petty crimes, resulting in a vicious fight that turns deadly.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

A young woman moves out of her parents' house and in with her boss, but freedom comes with a cost, and when she is unable to pay, she loses control and death follows.

A man rents out a room to an old buddy, but their contrasting living habits create chaos in the house; tiny arguments turn into petty crimes, resulting in a vicious fight that turns deadly.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

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.

An aspiring Playboy model is brutally murdered in Miami after visiting a nightclub with her boyfriend.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

A young woman moves out of her parents' house and in with her boss, but freedom comes with a cost, and when she is unable to pay, she loses control and death follows.

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.

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.

He was a wealthy executive and a doting dad who was in fear for his life. Then, he was shot dead. The case made headlines because of its unusual defense, with the accused arguing he was too obese to carry out the killing. Would the jury believe it?