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When the body of loving father, Re'Mano Campbell, is found slain in his house in Prichard, AL, local investigators unravel a disturbing web of lies.

When 93-year-old Penny Knell is admitted to a special care facility, a devious mastermind is waiting there to prey upon society's most vulnerable.

In Michigan, a simple affair between two colleagues turns complex as the lovers are willing to do anything - even commit murder - to protect their secret.

Three men die over a span of 12 years, with no suspicion of wrongdoing. But when a deadly car explosion rips through Florida, a new investigation begins.

A young mother vanishes leaving behind puzzling clues and disturbing questions. Will a needle in the mud reveal the truth behind her disappearance.

Investigators deal with puzzling clues and odd witness accounts when solving a 1987 murder. Will lost evidence be the key to identifying the killer.

Painful questions torment an Ohio husband after his wife's brutal murder - in particular the community's doubts about whether he had been her killer.

When Father Rivera is called in the middle of the night to perform the last rites for a dying man, the night ends with the priest's shocking murder.

A couple's weekend getaway takes a tragic turn when they are found murdered on a California beach. Satanic imagery nearby leads local deputies on a manhunt.

A suspected serial killer prowls Hollywood. As the number of victims climbs, one brave woman fights back fiercely and manages to survive.

Actor Robert Blake finds his wife, Bonny Lee Bakely, dead in the couple's car. The police investigation history uncovers a story of ambition and betrayal.

A radio station intern is murdered, launching a long and frustrating investigation. Eventually, forensic genealogy leads to a man on the run for decades.

A preacher finds his wife brutally murdered, the apparent victim of a home invasion. He and their two sons have alibis, but several details don't add up.

For 42 years, Carl Sutcliffe has carried the stigma of his brother's atrocious crimes. He shares what it was like the day he found out his brother was a killer.

A young woman vanishes into a patrol car. For 35 years, she's a Jane Doe, until hypnosis reveals a clue that unmasks a predator hiding in plain sight.

A woman vanishes while on a Hawaiian vacation to celebrate her 29th birthday. Police trace her movements to a Waikiki hotel, covered by CCTV cameras.

An elderly woman is beaten to death in her Texas home. The only clues are a trail of strange credit card transactions - and surveillance video.

In 1975, the Indiana Slasher attacks three girls, leaves them for dead in a cornfield and then disappears into the night. Will justice ever be served.

Jam Master Jay, best known as Run-DMC's DJ, was killed in his recording studio. An exclusive interview with an eyewitness sheds light on this decades-old cold case.

A woman and her family strike it rich, and Hollywood comes knocking to give them their own show - but not everyone wants this reality star to shine.

Proof. When a mother is killed in a tragic trucking accident, her family begin to question whether it was actually premeditated murder. Now, they fear for her son.

Two women who work for a tax attorney know he is prone to hysterical outbursts. But, when he turns violent it reveals some terrifying secrets.

A mother takes matters into her own hands when the police investigation into her daughter's murder stalls. Can she eventually crack the case and catch the killer.

A woman gets involved in the investigation into her sister's murder. Her tenacity and unrelenting quest for justice leads to crucial evidence.

After one of her daughters is murdered, a mother vows to find out the truth. As more evidence is uncovered, she realises the killer may be lurking nearby.

A college freshman is shot in her family's home. The victim's older sister works closely with the investigators to uncover the truth and put the killers behind bars.

Proof. When a mother is killed in a tragic trucking accident, her family begin to question whether it was actually premeditated murder. Now, they fear for her son.

Is Rodney Reed Innocent? A Texas woman is brutally raped and murdered, and the trial sparks a racially charged debate over whether an innocent man has been condemned to death.

The Freeman family trailer is burned to the ground and the parents are found dead with gunshot wounds, but their teenage daughter and her friend are missing.

42-year-old Miami mum Raquel Calderin vanishes without a trace on her way home from work. The investigation leads detectives into a disturbing family picture.

26-year-old car dealer Christopher O'Brien takes a strange man for a test drive and never returns. Did O'Brien's criminal past finally catch up with him.

Film director Adrienne Shelly is discovered hanging by a bed sheet in her bathroom. It looks like a suicide, but her husband insists it was murder. What's the truth.

Just after moving with his girlfriend, Daniel Ott is shot dead by an intruder. A stunning coincidence leads to one of the USA's the most dangerous criminal rings.

17-year old Shafelia's disappearance was a mystery - until her sister is arrested for a robbery. Carol Wardell vanished and her husband left tied-up.

Bestselling author, Helen Bailey, was a wealthy widow. After finding love again with Ian Stewart she vanished. He helps in the search - but was it a cover-up.

When computer programmer and single mum Cari Farver goes missing from a small town in Iowa, it will take the authorities across state lines to crack the case.

A young mother is brutally murdered inside her own home. Will her family's relentless quest for justice help put her killer behind bars.

Following the gruesome discovery of a woman's burned remains, Texas investigators follow a trail of clues originating from the victim's own lost dog.

Robert Champion suddenly dies in the back of the marching band bus. An autopsy points to foul play, exposing a dirty secret inside the premiere marching band.

The shooting of a football coach inside a high school triggers a lockdown in the middle of a school day. Police race to track down an active shooter.

42-year-old Miami mum Raquel Calderin vanishes without a trace on her way home from work. The investigation leads detectives into a disturbing family picture.

26-year-old car dealer Christopher O'Brien takes a strange man for a test drive and never returns. Did O'Brien's criminal past finally catch up with him.

17-year old Shafelia's disappearance was a mystery - until her sister is arrested for a robbery. Carol Wardell vanished and her husband left tied-up.

Bestselling author, Helen Bailey, was a wealthy widow. After finding love again with Ian Stewart she vanished. He helps in the search - but was it a cover-up.

42-year-old Miami mum Raquel Calderin vanishes without a trace on her way home from work. The investigation leads detectives into a disturbing family picture.

26-year-old car dealer Christopher O'Brien takes a strange man for a test drive and never returns. Did O'Brien's criminal past finally catch up with him.

Film director Adrienne Shelly is discovered hanging by a bed sheet in her bathroom. It looks like a suicide, but her husband insists it was murder. What's the truth.

Just after moving with his girlfriend, Daniel Ott is shot dead by an intruder. A stunning coincidence leads to one of the USA's the most dangerous criminal rings.

17-year old Shafelia's disappearance was a mystery - until her sister is arrested for a robbery. Carol Wardell vanished and her husband left tied-up.

Five young people disappear over a span of four years in the rural area of Lewis-Clark Valley. Investigators search for links to the mysterious cases.

During an armed robbery, a father of three is fatally shot. 23 years later, another family questions if the wrong man is behind bars.

A burning car is found by the side of a highway on the same night a single mother of two is reported missing. The two events lead investigators to a notorious criminal.

An air force veteran disappears along with his savings. Detectives discover a woman has been draining his accounts, then uncover a conspiracy of greed and murder.

In 1994, Lake Orion, Michigan is rocked by a vicious murder. The crime is a mystery, until police expose a strange and twisted plot that no one saw coming.

When three women die of the same mysterious illness, the hunt is on to prove their deaths were no accident. Can detectives unravel this twisted tale of deceit.

In Phoenix, a wave of late night sexual assaults appears to be the work of a serial rapist, who targets women in their own homes while they sleep.

When Jamey Walker is kidnapped and murdered in the spring of 1981, her mother Eleanor dedicates the rest of her life to finding the killer.

I Always Knew I Could Kill. Patrick Pidock's daughter lived in constant fear of her father's sudden, violent outbursts. But no one could know what he was truly capable of.

After a tragic murder in Cornwall that left his sister and four of her children dead, Peter Wyatt opens up about his violent, controlling brother-in-law, Lee Ford.

A young mother is brutally murdered inside her own home. Will her family's relentless quest for justice help put her killer behind bars.

A single mother turns to exotic dancing to support her family. But the temptation to make much more money leads to devastating consequences.

In the 1970's, Anneka Di Lorenzo found fame as a successful model in Penthouse Magazine. However, from that point, her life unravelled with tragic consequences.

A burning car is found by the side of a highway on the same night a single mother of two is reported missing. The two events lead investigators to a notorious criminal.

An air force veteran disappears along with his savings. Detectives discover a woman has been draining his accounts, then uncover a conspiracy of greed and murder.

In Phoenix, a wave of late night sexual assaults appears to be the work of a serial rapist, who targets women in their own homes while they sleep.

When Jamey Walker is kidnapped and murdered in the spring of 1981, her mother Eleanor dedicates the rest of her life to finding the killer.

A burning car is found by the side of a highway on the same night a single mother of two is reported missing. The two events lead investigators to a notorious criminal.

An air force veteran disappears along with his savings. Detectives discover a woman has been draining his accounts, then uncover a conspiracy of greed and murder.

In 1994, Lake Orion, Michigan is rocked by a vicious murder. The crime is a mystery, until police expose a strange and twisted plot that no one saw coming.

When three women die of the same mysterious illness, the hunt is on to prove their deaths were no accident. Can detectives unravel this twisted tale of deceit.

In Phoenix, a wave of late night sexual assaults appears to be the work of a serial rapist, who targets women in their own homes while they sleep.

A family's newfound American dream becomes a nightmare after their home is set ablaze. But is this just a freak accident or a cover-up for a more sinister crime.

Clowns. Murder. In 1990, a clown delivering flowers and balloons guns down a woman at home. With scant evidence, the culprit eludes justice for thirty years.

A skeleton is discovered on the edge of a high school football field. It takes a forensic sculptor and tireless detective work to finally bring the killer to justice.

A police officer is shot dead in a suspected set-up. Detectives take drastic measures to get answers from a tight-lipped local community.

In 2005, a pregnant mother goes missing in Philadelphia. Detectives stumble on a love-triangle that may explain the secrets behind her death.

When teenager Harmahn Smith misses his curfew, his parents seek the police's help. His car and body are discovered - what happened to the 18-year-old.

Detectives investigate the death of a teenager with special needs in New York. Body cam video and original audio capture detectives' hunt for what happened.

When a 69-year-old man goes missing in Kalamazoo, Michigan, neighbours seem to be hiding information from police. What happened to him.

On New Year's Eve, a domestic dispute ends in tragedy when two deputies are trapped with a gun-wielding suspect. In Iowa, a high-speed pursuit comes to a gruesome end.

A killer executes a seemingly perfect family. Detectives uncover seething tensions resulting from an obsessive love affair with a webcam model.

When beloved teacher Margaret Jack Sliger is murdered on her farm, there is little evidence to go on. Will detectives find the killer and bring the community justice.

When 18-year-old Julie Heath goes missing in rural Arkansas, the small town begins a desperate search for her. But no one expects the horror that ensues.

The Twelve Signs He Will Die. A copycat Zodiac killer terrorises New York City while keeping cops guessing his identity. It falls to veteran NYPD detectives to outwit him.

A skeleton is discovered on the edge of a high school football field. It takes a forensic sculptor and tireless detective work to finally bring the killer to justice.

A police officer is shot dead in a suspected set-up. Detectives take drastic measures to get answers from a tight-lipped local community.

Detectives investigate the death of a teenager with special needs in New York. Body cam video and original audio capture detectives' hunt for what happened.

When a 69-year-old man goes missing in Kalamazoo, Michigan, neighbours seem to be hiding information from police. What happened to him.

A skeleton is discovered on the edge of a high school football field. It takes a forensic sculptor and tireless detective work to finally bring the killer to justice.

A police officer is shot dead in a suspected set-up. Detectives take drastic measures to get answers from a tight-lipped local community.

In 2005, a pregnant mother goes missing in Philadelphia. Detectives stumble on a love-triangle that may explain the secrets behind her death.

When teenager Harmahn Smith misses his curfew, his parents seek the police's help. His car and body are discovered - what happened to the 18-year-old.

Detectives investigate the death of a teenager with special needs in New York. Body cam video and original audio capture detectives' hunt for what happened.

A young woman's violent murder in 1972 plagues Hawaii investigators for decades until a new investigative technique emerges.

Where Is Kristin Smart? In 1996, a college co-ed vanishes and is presumed dead. Decades later, a discovery found six feet under turns the case upside down.

Two police departments in California join forces to find the vicious killer of two separate Jane Doe victims, murdered in a shockingly similar way.

In California, the terrifying abduction of a young girl sends a relentless detective on a quest to bring justice to her heartbroken family.

Will a trail of blood from the balcony of a young woman's apartment to the complex's parking lot lead police to her cold and calculating killer.

A young mother is brutally murdered inside her own home. Will her family's relentless quest for justice help put her killer behind bars.

G Or Gent? Baron 'Dirty' Colon goes on the reality show 'From G's to Gents,' hoping to change his life and win the 100k prize. His real motivation is a secret.

A runway model turned mom-a-ger lived a fairytale life of luxury. When she turns up dead at the bottom of her pool, police uncover deep motives.

A 13-year-old boy comes home to find his stepmother murdered and his 15-year-old sister missing. Police race to piece together a killer's video trail.

A Minnesota woman vanishes from a mall after a date with her estranged husband. A shocking discovery in a parking lot leads police to CCTV footage.