The Saturday Night Strangler: Joe Kappen: Robbie Coltrane examines how DNA evidence ended a 30-year hunt for triple murderer and rapist in Wales. (S2, ep 6).

Donald: A Canadian gambler is found beaten to death in the stairwell of a Vegas hotel, and detectives mount a decade-long investigation in their effort to nail the killer. (S1, ep 4).

Hlavka: Anna Hlavka is sexually assaulted and murdered in 1979 and the case goes cold for nearly 30 years. A shocking turn of events sees the murder linked to a serial killer. (S2, ep 12).

Run For Your Life: Lieutenant Joe Kenda turns to a trusted K-9 officer for help when a marathon runner is found murdered hours before a big race. (S2, ep 4).

Verdigre, NB: Just outside of Verdigre, Nebraska, a domestic altercation ends in death. Frances Thompson claims to have killed in self-defence, but investigators aren't so sure. (S2, ep 2).

Middlesbrough: Katherine Kelly examines Middlesbrough murderer Reginald Wilson, described by criminal psychologists as one of the most dangerous men ever to be assessed. (S2, ep 3).

Masumi: When a young woman looking to find herself on a solo trip to Hawaii vanishes without a trace, police race against the clock to find her before it's too late. (S1, ep 5).

New. Queena Phu: Queena Phu was on the phone with her best friend, Rachel, when she heard Queena scream before the line went dead. Here, the story of what happened. (S1, ep 10).

Murder in the Details: A new mother is discovered dead in her apartment. When a new investigator digs deeper into the evidence, only an exhumation can prove the truth. (S2, ep 3).

William Davis: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 5).

Joanna Yeates: On Christmas morning 2010, 25-year-old Joanna Yeates was found strangled to death and partially covered in snow down a country lane. (S1, ep 3).

New. Darlington: Katherine Kelly explores cannibal killer David Harker. One of the UK's most disturbed psychopaths, his crime rocked Darlington, causing a second horrific murder. (S2, ep 5).

New. Darlene Gentry: The sinister story of a woman with money problems who decides her husband is worth more dead than alive. (S2, ep 8).

The Double Axe Murderer: Dennis Smalley: Robbie Coltrane examines the horrific crimes of Dennis Smalley and the tiny clue that led to his capture and conviction. (S2, ep 7).

Sherry: When judge Vincent Sherry and his wife Margaret are killed in 1987, police struggle to pin down a motive. Years pass before a link to Mississippi's Dixie Mafia emerges. (S2, ep 13).

Donald Idiens: Explore key moments from the murder of Donald Idiens, a Canadian gambler bludgeoned to death in a Las Vegas hotel. (S1, ep 15).

William Davis: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 5).

Ali Abulaban and his wife Ana seem like they have it all, but behind the perfect life portrayed online is a relationship filled with violence.

Sarah Henshaw: Sarah's night at a concert turns tragic when her boyfriend Darren attacks, then later kills her, leading to his arrest for her murder. (S1, ep 7).

William Davis: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 5).

Donald Idiens: Explore key moments from the murder of Donald Idiens, a Canadian gambler bludgeoned to death in a Las Vegas hotel. (S1, ep 15).

Sherry: When judge Vincent Sherry and his wife Margaret are killed in 1987, police struggle to pin down a motive. Years pass before a link to Mississippi's Dixie Mafia emerges. (S2, ep 13).

Murder in the Details: A new mother is discovered dead in her apartment. When a new investigator digs deeper into the evidence, only an exhumation can prove the truth. (S2, ep 3).

The Double Axe Murderer: Dennis Smalley: Robbie Coltrane examines the horrific crimes of Dennis Smalley and the tiny clue that led to his capture and conviction. (S2, ep 7).

Masumi: When a young woman looking to find herself on a solo trip to Hawaii vanishes without a trace, police race against the clock to find her before it's too late. (S1, ep 5).

Sherry: When judge Vincent Sherry and his wife Margaret are killed in 1987, police struggle to pin down a motive. Years pass before a link to Mississippi's Dixie Mafia emerges. (S2, ep 13).

Investigative series examining murder cases told through the personal experience of retired Colorado detective Lieutenant Joe Kenda. (S1, ep 1).

Kelowna, BC: Keith Black, a prominent figure in the Taekwondo community, vanishes and authorities battle against the odds to uncover the horrifying truth into his whereabouts. (S2, ep 3).

New. Darlington: Katherine Kelly explores cannibal killer David Harker. One of the UK's most disturbed psychopaths, his crime rocked Darlington, causing a second horrific murder. (S2, ep 5).

Emily: During a mini vacation in New Mexico, a young school teacher is reported missing by her boyfriend after a mystery man makes unwanted advances towards her. (S1, ep 6).

Madison Nygard: The friends and family of 16-year-old Madison Nygard share the details of her terrifying abduction as she walked home from a party. (S2, ep 1).

Forever Young: A popular teen is found dead with an empty liquor bottle, but when a toxicology report reveals the alcohol wasn't what killed her, secrets start to spill. (S2, ep 4).

Marie Whiston: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 6).

New. 320k Con and Zoe Dronfield: A scam to con Debbie Davey out of thousands is discovered too late. Victim Zoe Dronfield relies on the help of a hypnotherapist to seek justice. (S1, ep 4).

Grimsby: Katherine Kelly looks into the 2011 murder of Adam Vincent, a killing so brutal it sparked North Lincolnshire's biggest police investigation in over a century. (S2, ep 9).

Crymble: The story of a man who was jailed for killing his lover's husband, before lying to police about the chain of events in the hope of escaping prosecution. (S1, ep 2).

Into Thin Air: David Gilroy: In 2010, Suzanne Pilley disappeared on her way to work in Edinburgh. Here, Robbie Coltrane reveals the remarkable way her killer was caught. (S2, ep 8).

Ford: David and Tonya Ford lived what appeared to be a normal life, until David was found shot in their home, with investigations uncovering strains in their marriage. (S4, ep 1).

Fred Banks: What starts as a normal day of running errands for the 89-year-old Fred turns into the final hour of his life, as he becomes the target of a stranger. (S2, ep 1).

Marie Whiston: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 6).

Seeking Justice: When officers arrive at the home of a 65-year-old man, they discover a scene that reveals he has been brutally killed and robbed. (S26, ep 18).

Broken Brotherhood: A home invasion results in a man being beaten to death and set on fire. A shocking 911 call pits two brothers against each other in the interrogation room. (S3, ep 4).

A home invasion results in a man being beaten to death and set on fire. A shocking 911 call pits two brothers against each other in the interrogation room.

New. The Invisible Hand of Death: Detectives hunt for a cruel criminal when a woman is found on fire. A dead student leaves Kenda wondering which of his roommates is the liar. (S7, ep 15).

Marie Whiston: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 6).

Seeking Justice: When officers arrive at the home of a 65-year-old man, they discover a scene that reveals he has been brutally killed and robbed. (S26, ep 18).

Broken Brotherhood: A home invasion results in a man being beaten to death and set on fire. A shocking 911 call pits two brothers against each other in the interrogation room. (S3, ep 4).

A home invasion results in a man being beaten to death and set on fire. A shocking 911 call pits two brothers against each other in the interrogation room.

Forever Young: A popular teen is found dead with an empty liquor bottle, but when a toxicology report reveals the alcohol wasn't what killed her, secrets start to spill. (S2, ep 4).

Into Thin Air: David Gilroy: In 2010, Suzanne Pilley disappeared on her way to work in Edinburgh. Here, Robbie Coltrane reveals the remarkable way her killer was caught. (S2, ep 8).

Emily: During a mini vacation in New Mexico, a young school teacher is reported missing by her boyfriend after a mystery man makes unwanted advances towards her. (S1, ep 6).

Ford: David and Tonya Ford lived what appeared to be a normal life, until David was found shot in their home, with investigations uncovering strains in their marriage. (S4, ep 1).

Hood: Police investigate the murder of a mother found shot dead with her purse missing. Uncovering a tale of greed, they reveal a killer no one expected. (S1, ep 2).

Innisfail, AB: When a bomb kills a young paraplegic mother, authorities must determine if it was sent by a drug dealer seeking revenge or someone much closer to the victim. (S2, ep 4).

Grimsby: Katherine Kelly looks into the 2011 murder of Adam Vincent, a killing so brutal it sparked North Lincolnshire's biggest police investigation in over a century. (S2, ep 9).

Michael & Thelma: When a married couple is found murdered in their St Maarten condo, an entire island is left in shock. Can police unravel the mystery behind the slayings? (S1, ep 7).

Miya Marcano: The family of Miya Marcano share the agonising details of what happened around the 19-year-old's disappearance. (S2, ep 2).

Burning Obsession: When LaQuinta Smith is found dead, the scene suggests suicide. But when a tip comes in, investigators need an exhumation to uncover the true killer. (S2, ep 5).

Beverley Allit: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 7).

Adam Vincent and Sophie Lancaster: Adam Vincent becomes the target for a dangerous family to control. Sophie Lancaster and her boyfriend are brutally attacked in a park. (S1, ep 5).

Croydon: Katherine Kelly explores the tragic death of Cassandra McDermott. It took a brutal attack on another woman and a decade of chasing before her killer was caught. (S2, ep 10).

Jermey: The story of Alan Jermey, a martial arts expert from Surrey who murdered his partner after she told him she had fallen in love with her boss. (S1, ep 3).

Dead Man's Hollow: Nishan Bakunts: Robbie Coltrane examines the most complex and baffling murder cases ever to be investigated by British police, starting in Great Yarmouth. (S1, ep 1).

Tokes: When 21-year-old Reagan Tokes was abducted, sexually assaulted and murdered in Ohio, Brian Golsby was quickly apprehended, before new legislations were then passed. (S4, ep 2).

Cathy Ford: In a small community in the Appalachian mountains, a 19-year-old woman spends a frenetic hour getting dressed for success - and then disappears without a trace. (S2, ep 2).

Beverley Allit: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 7).

A defendant who curses and flips his middle finger at the judge is held in contempt and a police officer forgives the man who pleaded guilty to firing shots at him. (S7, ep 27).

A defendant appears drunk for his virtual hearing and another defendant gets thrown out of the courtroom after talking back to the judge. (S7, ep 28).

Hot Summer Night: The Hot Summer Nights classic car show promises fun by day but turns wild at night with unexpected bar fights. (S1, ep 4).

A home invasion results in a man being beaten to death and set on fire. A shocking 911 call pits two brothers against each other in the interrogation room.

Broken Brotherhood: A home invasion results in a man being beaten to death and set on fire. A shocking 911 call pits two brothers against each other in the interrogation room. (S3, ep 4).

Beverley Allit: Dissect stories of murderous doctors, nurses, paramedics and more, as the people we trust with our lives turn against us in this true crime series. (S1, ep 7).

A defendant who curses and flips his middle finger at the judge is held in contempt and a police officer forgives the man who pleaded guilty to firing shots at him. (S7, ep 27).

A defendant appears drunk for his virtual hearing and another defendant gets thrown out of the courtroom after talking back to the judge. (S7, ep 28).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S5, ep 37).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S5, ep 24).

Burning Obsession: When LaQuinta Smith is found dead, the scene suggests suicide. But when a tip comes in, investigators need an exhumation to uncover the true killer. (S2, ep 5).

Dead Man's Hollow: Nishan Bakunts: Robbie Coltrane examines the most complex and baffling murder cases ever to be investigated by British police, starting in Great Yarmouth. (S1, ep 1).

Michael & Thelma: When a married couple is found murdered in their St Maarten condo, an entire island is left in shock. Can police unravel the mystery behind the slayings? (S1, ep 7).

New. Betrayal in the Mountains: A terrifying murder mystery unfolds when a woman's body is found at a popular campsite in the Rocky Mountains. (S10, ep 11).

One of their Own: A devastating case unfolds when the daughter of an FBI agent disappears from an airport parking lot and officers across the country rally to help. (S10, ep 13).

Unthinkable Harm: When a teenager is found savagely stabbed to death in her home, police hope a trail of blood at the crime scene will lead them to her killer. (S11, ep 27).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S5, ep 6).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts.

Dan Abrams hosts as series four walks you through the most dramatic outbursts and extraordinary moments to ever take place in US courtrooms.

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts.

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S5, ep 42).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S5, ep 47).

A Single Father's Life-Saving Last Act: Single father Kendal Fenwick was Baltimore's 295th homicide in 2015, raising questions if his anti-drug efforts made him a target. (S1, ep 22).

The Florida Fugitive: Weeks after a pregnant woman is shot and killed in Orlando, a shootout between here suspected killer and a police officer sparks a manhunt. (S1, ep 11).

The Mystery of Maura Murray: Known as one of the first cases of the digital age, Maura Murray's mysterious disappearance continues to confound investigators and internet sleuths. (S1, ep 8).

Andrew Tavener: The horrifying story of Andrew Tavener, who killed his wife in a jealous frenzy and left their young sons to discover the body.

Love on Fire: Tim and Barbara Pasa seem happy until emergency services rush to their home. A life is lost in what appears to be an accident, but a darker truth emerges. (S4, ep 3).

New. Queena Phu: Queena Phu was on the phone with her best friend, Rachel, when she heard Queena scream before the line went dead. Here, the story of what happened. (S1, ep 10).

Murder In The Barnyard: A hog farmer claims his wife fell on a four-pronged corn rake and died - but there's a hole in his story and his wife's body holds the clue.

Cutting Ties: On the edge of divorce, a couple's argument turns deadly. The husband claims he killed his wife in self-defence, but a look into his past holds a deadly secret. (S4, ep 19).

Hollywood Horror: When a struggling Hollywood actress and famed music producer engage in a late-night rendezvous, the evening takes a deadly turn. (S4, ep 7).

Fiery Grave: A husband dies in a car crash, which appears to be an accident. But, when his widow seems more relieved than hurt, detectives uncover a shocking truth. (S4, ep 20).

Out of Thin Air: All signs point to homicide when a body is discovered in a Boston suburb, but the clues send investigators on a journey to an unbelievable truth. (S3, ep 12).

The police are rocked by the revelation that Vincent Stanford has a twin brother with the same DNA profile. Which brother killed Stephanie Scott? (2 of 2).

Jaramilo: Convicted stalkers tell in their own words, how love turned into a deadly obsession in face first, captivating in-depth interviews. (S1, ep 8).

Morrison: Convicted stalkers tell in their own words, how love turned into a deadly obsession in face first, captivating in-depth interviews. (S1, ep 7).

Britain's Darkest Taboos: Mick Philpott's ex-girlfriend Kim Hill opens up about her near-fatal attack at the hands of the Derby child killer. (S2, ep 1).

Two Sisters, One Rapist: Our Dad: In a chilling story of abuse, two sisters from Port Talbot in Wales reveal how they were molested by their father for 12 years. (S2, ep 4).

As the legal aftermath of The Toolbox Murders unfolds, the criminal connections and psychological dynamics behind the crime come to light. (2 of 2).

New. Queena Phu: Queena Phu was on the phone with her best friend, Rachel, when she heard Queena scream before the line went dead. Here, the story of what happened. (S1, ep 10).

Andrew Tavener: The horrifying story of Andrew Tavener, who killed his wife in a jealous frenzy and left their young sons to discover the body.

Love on Fire: Tim and Barbara Pasa seem happy until emergency services rush to their home. A life is lost in what appears to be an accident, but a darker truth emerges. (S4, ep 3).

DNA of a Murder: Andrew George: Robbie Coltrane examines the case of Hilda Murrell, an anti-nuclear campaigner who was killed in her home by Andrew George in 1984. (S1, ep 5).

Far From Home: Kyu Soo Kim: Robbie Coltrane examines the harrowing case of a London landlord who sadistically tortured and murdered two of his tenants. (S2, ep 5).

The Moors Murders: A look at the crimes of Myra Hindley and Ian Brady, featuring interviews with the family of Keith Bennett, who are still campaigning to find his body. (S6, ep 5).

A look at the case of estate agent Suzy Lamplugh, who showed a client round a house in Fulham in July 1986 and was never seen again. Dermot Murnaghan hosts. (S6, ep 6).

Glasgow: In 2015, 24-year-old student Karen Buckley went missing while on a night out in Glasgow. Emilia visits the club where Karen was last seen. (S4, ep 3).

Killing The Truth: A wife vanishes after her husband moves his mistress into the family home. Ten years later, a yachting accident reveals the dark truth. (S3, ep 3).

A look at the horrific arson attack on the Bimpson family home in Liverpool 2008. Burns from petrol-fuelled flames killed three-year-old Francesca the night before Christmas Eve. (S3, ep 6).

with Dermot Murnaghan. New. The story of double-murderer Janbaz Tarin, who killed his ex-partner and her mother after they discovered he had a secret wife and children. (S4, ep 5).

with Dermot Murnaghan. New. Elliot Turner: The chilling story of the self-professed 'playboy' who brutally killed his 17-year-old girlfriend by strangulation in 2011. (S4, ep 6).

Richard Sharpe: Mother, Karen Sharpe dies in a shooting but who would want to kill her? Investigators soon uncover Karen is in the midst of a multi-million dollar divorce. (S4, ep 5).

Niels Hogel: Administrators notice death rates in their intensive care unit have risen sharply. Suspicions fall on a nurse who turns out to be Germany's most prolific murderer. (S4, ep 6).

Jacob Hoysted: When a resident dies at a care home it's assumed she passed away peacefully but an autopsy reveals horrific injuries. Can a quiet, young carer be responsible? (S4, ep 7).

Alison Firth: A care home resident is discovered dead, starting a murder investigation. When the suspect then becomes a victim of violent attacks, is someone else responsible? (S4, ep 8).

Ryan Mason: In the early hours of 11th February 2002, Ryan woke his mum and asked to go and play video games downstairs with Ryan Mariner. When his mother woke, both were gone. (S3, ep 7).

Fatal Feud: After a young mother is shot to death in a hail of gunfire at her parents' suburban Atlanta estate, investigators uncover a bitter family feud. (S5, ep 4).

As the legal aftermath of The Toolbox Murders unfolds, the criminal connections and psychological dynamics behind the crime come to light. (2 of 2).

The School Teacher: A long list of suspects emerges when 25-year-old schoolteacher Christy Mirack is found murdered in her apartment, but years pass before the real killer is found.

Sarah's night at a concert turns tragic when her boyfriend Darren attacks, then later kills her, leading to his arrest for her murder.

In the 90s, Guccione embarked on a series of volatile investments, including cryogenics and casinos. Meanwhile, a Penthouse 'Pet' accused Bob of sexual misconduct.

Posing as a drug dealer, undercover informant Tony Tait infiltrates the secret biker club to take down leader Sonny Barger and meth cook Kenny Owens.

When a resident dies at a care home it's assumed she passed away peacefully but an autopsy reveals horrific injuries. Can a quiet, young carer be responsible.

As the legal aftermath of The Toolbox Murders unfolds, the criminal connections and psychological dynamics behind the crime come to light.

The chilling story of 15-year-old Seath Jackson, lured to a brutal death by his ex-girlfriend Amber Wright who then helped to conceal the murder.

The 2013 murder of Dana Mackay, who was attacked by her husband's mistress and two accomplices while she was recovering from surgery in hospital.

When 21-year-old Reagan Tokes was abducted, sexually assaulted and murdered in Ohio, Brian Golsby was quickly apprehended, before new legislations were then passed.

Firefighters find the body of a housewife in the basement of a burning home. Fifty miles away, her son tells a wild story to police. Could it be true.

Nicholas Brophy goes out for late night walk and disappears without a trace, sparking an investigation that takes two years to find any answers.

Katherine Kelly explores the tragic death of Cassandra McDermott. It took a brutal attack on another woman and a decade of chasing before her killer was caught.

Police are baffled when body parts turn up in two different Southeast Asian tourist destinations.

The parents of Kamyrn Johnson recount the details after they received a phone call telling them that their daughter was being held captive for ransom.

The death of a rancher in rural South Dakota suggests natural death until a shocking confession spurs detectives to take a closer look at the autopsy.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that Somebody's hiding something.

A 19-year-old is murdered by her controlling ex-boyfriend in Gloucester. A woman meets a man online, only to discover he's a bigamist and conman.

Katherine Kelly investigates Brighton's dark side, starting with a killer who confessed to murder during a tarot card reading as the devil card was dealt.

The story of 17-year-old Thomas Griffiths, who killed his girlfriend and arranged the crime scene to look like a suicide.

Philip Glenister delves into the mindset of a murderer and explores their actions, starting with the disappearance of children's author Helen Bailey.

When Ben Oxley was murdered in 2008, his ex-wife's involvement became a key development in the case - even being granted immunity despite her role in the killing.

Friends Tatiana and Luibov trade the cold Siberian winter for a few weeks of sun in Thailand - but the trip goes horribly wrong.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that Somebody's hiding something.

Authorities discover that the disappearance and murder of an Ipswich woman is linked to another local killing and to a hard-drinking social group.

Follow the story of three women, uncovering the truth behind their lives, their deaths and two police investigations. Can DCI Sutton and his team close this 40-year-old case.

A few weeks after mother Laura May Shatanawi failed to return home after an exam, her husband reported her missing - but then his secrets came to light.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that Somebody's hiding something.

Authorities discover that the disappearance and murder of an Ipswich woman is linked to another local killing and to a hard-drinking social group.

Friends Tatiana and Luibov trade the cold Siberian winter for a few weeks of sun in Thailand - but the trip goes horribly wrong.

Shane and his pregnant partner Laura have a cosy night out. But their neighbour, Anthony Lawrence, is hiding in their attic with a crossbow.

Philip Glenister delves into the mindset of a murderer and explores their actions, starting with the disappearance of children's author Helen Bailey.

Police are baffled when body parts turn up in two different Southeast Asian tourist destinations.

When Ben Oxley was murdered in 2008, his ex-wife's involvement became a key development in the case - even being granted immunity despite her role in the killing.

Investigators hunt for the murderer of a teenage runaway found dead on a mountain road. Can they unpick the web of lies and false accusations surrounding her death.

When a retired professional wrestler is brutally murdered, police coordinate a massive sting operation that brings a savage small-town conspiracy to light.

Katherine Kelly investigates Brighton's dark side, starting with a killer who confessed to murder during a tarot card reading as the devil card was dealt.

When two young women disappear on a backpacking trip through South America, only part of the mystery is solved when strange packages are found near a beach.

JaRay Wilson texted her mother just minutes before she vanished, leading her family to search for answers for over a year.

Fun-loving Vicki Ross is found dead in her car, wrapped in an electric blanket. Only an exhumation can prove who killed this vibrant young woman.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that Somebody's Hiding Something.

Security guard James Smith is confronted by a masked man with a gun. Plus, 11-year-old Tye Hawkins is knocked down in a hit and run.

Katherine Kelly examines the awful crimes of Steven Grieveson. Known as the Sunderland Strangler he murdered four teenage boys in the early 90s.

In one of the biggest investigations ever carried out by Tayside Police, evidence in the case of a pensioner's murder leads to a family friend.

Philip Glenister delves into the shocking story that unfolded in the aftermath of mother-of-four Saima Khan's tragic murder in her Luton home.

When Laura Johnson disappeared from Montana in 2018, her controlling boyfriend Gregory Green was apprehended - despite the absence of Johnson's body.

When George Allen Smith's wife passes out at a cruise party, she awakens to find her husband missing - with just a blood-stained scene remaining.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that Somebody's Hiding Something.

Shane and his pregnant partner Laura have a cosy night out. But their neighbour, Anthony Lawrence, is hiding in their attic with a crossbow.

When two friends are found shot to death across the street from the Blue Flame, investigators discover the murder was part of an elaborate setup.

Tanya Kach recounts the horror of the 10 years she spent in captivity in her predator's bedroom, discussing the realities of grooming and the courage she discovered in herself.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that Somebody's Hiding Something.

Shane and his pregnant partner Laura have a cosy night out. But their neighbour, Anthony Lawrence, is hiding in their attic with a crossbow.

When two friends are found shot to death across the street from the Blue Flame, investigators discover the murder was part of an elaborate setup.

Fun-loving Vicki Ross is found dead in her car, wrapped in an electric blanket. Only an exhumation can prove who killed this vibrant young woman.

Philip Glenister delves into the shocking story that unfolded in the aftermath of mother-of-four Saima Khan's tragic murder in her Luton home.

When two young women disappear on a backpacking trip through South America, only part of the mystery is solved when strange packages are found near a beach.

When Laura Johnson disappeared from Montana in 2018, her controlling boyfriend Gregory Green was apprehended - despite the absence of Johnson's body.

Detectives uncover an unlikely ringleader as they delve into the case of a soldier and young father found fatally beaten by a group of teenagers.

Authorities are up against it as they attempt to unlock the clues and solve the horrendous double murder of a beloved dairy farming couple with no clear suspects.

Katherine Kelly examines the awful crimes of Steven Grieveson. Known as the Sunderland Strangler he murdered four teenage boys in the early 90s.

When a mother of two travels to the Outer Banks of North Carolina with her family, she is never seen again - and a multi-state manhunt for the perpetrator ensues.

Kelsey's family knew something was amiss when their usually responsible and responsive daughter didn't respond to their texts while out running an errand.

An explosive attempted murder of a popular local businessman leads determined homicide detectives down a twisted path of mysterious deaths.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that somebody's hiding something.

17-year-old Stephen Downing spent 27 years in prison, making his case the longest miscarriage of justice in Britain. Here is his story.

Katherine Kelly examines the case of David Mitchell, who murdered his convicted paedophile lover and dumped his dismembered body in a Huddersfield canal.

The story of 19-year-old Mundill Mahil, who lured a TV executive to his death in an act of revenge.

The manhunt spanned three countries when Geoff Seggie was murdered in his Derbyshire home. His killer eventually made contact, but he never revealed his motive.

In 2015, Samantha Nicole Wohlford, along with co-conspirators, orchestrated the kidnapping and murder of her husband, Ernest 'Ernie' Lee Ibarra Jr.

Despite there being several signs that Julia and Tim aren't a good match, they go ahead with their wedding - but when Julia goes missing, is Tim to blame.

When leads dry up and a case goes cold, there's only one thing that keeps investigators going- the hunch that somebody's hiding something.

Shannon Price: The ex-wife of beloved actor Gary Coleman, agrees to take a polygraph test to confront suspicions and silence the rumours that she was responsible for his death.