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When a CCTV camera films a man beating a cat, investigators have to catch him. Neglect leaves two dogs near death and owls are rescued from a demolition site.

The team come to the aid of a 17-year-old boy who has been involved in a head-on collision. And, a man needs urgent help for crippling chest pains.

The team treat a man who has crashed his car into the back of a bin lorry. Plus, a cyclist suffers a high-speed crash after her tyre bursts.

A drug bust leads to a sweet victory as police find a large stash of drugs in an ice cream van and a community of travellers won't leave after illegally setting up camp in Burton.

The problem-solving team hunt for a suspected drug dealer on the streets of Birmingham and the chase is on as police race after a stolen car in Burton.

When Katherine Smith connects with Tony Moore on a dating site, she believes she's finally found love. But her dreams shatter when his true identity is revealed.

When career-woman Joan Bent is found murdered, police have no shortage of suspects. But when a clue is discovered, no one can believe the identity of her killer.

Miles to Nowhere. On a moonless, windy night Maura's car swerves and leaves the road - she is never seen again. But what happened to her.

When Rhonda Daugherty vanishes, detectives turn to the public for information. A tip leads to surveillance footage from a hotel that uncovers a journey of deceit.

The murder of 10-year-olds Holly Wells and Jessica Chapman in 2002 shocked the UK. Experts study media interviews of their killer, Ian Huntley, to expose his lies.

In Albuquerque, Mike Snyder starts a family with his partner, capturing it on home video. But after being diagnosed with a serious illness, he vanishes.

US Air Force sergeant Nathan Paet and his family appear to live a blissfully normal life - until a horrific attack leads to their destruction.

An 82-year-old woman is found murdered in her garage in Wisconsin. A city-wide manhunt follows, and investigators are forced to curb public hysteria.

How did forensic technology help track down the killer of Gladys Godfrey? Plus, Ian McNicholl tells the horrific story of his abusive ex-girlfriend.

In Galveston, Texas, the bodies of two women lie behind a grocery store. Police turn to surveillance footage, hoping to discover who killed them - and why.

In Colorado, a driver opens fire and sparks a high-speed pursuit that ends with a standoff. In Ohio, a man ignites a fierce gun battle with police.

Tony Harris investigates the brutal murder of 11-year-old Jodi Parrack, which shattered the strong sense of community in the small town of Constantine, Michigan.

In Florida, police investigate the disappearance of a reporter who was exposed to an addictive world of gaming. Across state a mum vanishes after a party.

Christopher Halliwell is known to have killed two young women - is he responsible for more unsolved disappearances? Experts analyse his police interviews.

A young father returns to England after his wife and baby daughter are found shot dead at their US home. What really happened? Experts analyse his behaviour.

A nightmare wreaks havoc on the village of Armada, Michigan when 14-year-old April Millsap is found murdered on a bike trail. But, evidence is scant.

When an employee at an armoured van company receives a call about a money shipment that did not arrive, an FBI search for the missing van begins.

A mission becomes personal when Miami's animal cruelty investigators find two adopted dogs wandering the city streets in need of help.

The team face a tricky night-time landing as they race to the scene of a serious car crash. Plus, a 53-year-old man has collapsed and needs CPR.

A veteran motorcyclist and his grandson need treatment after a serious crash. Plus, the team race to help a man who is suffering a cardiac arrest.

An officer responding to a fight is viciously assaulted at the hands of a violent criminal and officers are forced to get a family to evacuate a house after arson threats are made.

Officers in pursuit of a burglar are given the run around by the elusive thief and a strange break-in at a hotel unearths an unexpected mystery in Stoke-on-Trent.

When a kindly old man is found murdered his family are devastated. But police discover his niece's bingo habit and debts would lead her to kill.

Paige Birgfeld is the ultimate multi-tasker, balancing family and jobs. But beneath the façade, she is hiding a dark secret that will lead to the ultimate betrayal.

The Last Truck Stop. Michele hitches from a truck stop and vanishes. But her family never give up hope, and incredibly the case ends, years later, with a miracle.

When Susan Casey disappears, CCTV footage reveals three likely suspects on the scene. It's impossible to tell who's responsible until a video shows someone is lying.

What exposed Tracie Andrews' lie that a road rage attack killed her lover? Mike Gifford-Hull's TV plea for his missing wife Farsi hides the truth.

In California, an intruder brutally attacks and kills Joan Dawley. Secret home movies uncover a shocking tale of deceit, and a monster lurking behind the scenes.

A video blogger posts every detail of her life online. One night, intruders break in her home and kill her husband. Will her endless videos provide a clue as to why.

In Arizona, a community is shocked when an unknown shooter goes on a killing spree. Police bodycams capture the hunt for the murderer.

A woman's life hangs in the balance after she escapes a controlling relationship. Plus, a family are left devastated as a result of dangerous driving.

When a young man with a developmental disability vanishes, his legal guardian frantically searches for him. Police turn to CCTV to find him.

After a young Ohio man vanishes without a trace, detectives embark on an investigation involving a love triangle, drugs, and murder.

A father's desperate search for his daughter leads him to an abandoned cabin in rural Canada. A surprise witness helps expose unspeakable crimes.

A respected businessman vanishes after a meeting. At the same time, a young mother doesn't come back from her job search. Can CCTV cameras help to solve the mystery.

Why was Aram Kurd the only person to survive an explosion at his supermarket that killed five people? Experts identify his deception in TV and police interviews.

Craig Savage claims he never intended to kill his estranged wife and her mother and that his gun had gone off by accident. His body language tells a different story.

When a popular pizza restaurant in Claypool Hill, VA becomes a horrific crime scene, locals are stunned. Clues reveal it's more than robbery.

Three prisoners attempt to escape justice when their vehicle is carjacked at gunpoint whilst they are being transported to a court hearing.

There's heartbreak as investigator Labrada fights to save a poorly dog that's been rejected by its owners. Plus, a young girl rescues a horse left without food or water.

The team come to the aid of a taxi driver and his passenger after they were stabbed in an attempted robbery. A cyclist is treated for a severe chest pain.

An elderly woman needs urgent help after being hit by a van. The team receive a troubling call about a motorcyclist who has crashed off a rural road.

Officers searching a house discover more than they bargained for when the axe-wielding occupant makes an escape attempt and a drunk student spits on cops in Nottingham.

Officers are called to the scene as two women get into a fight in Burton and a police dog has its day after getting its teeth in to a suspected criminal.

A gambling addict will do anything to feed her habit - even murder. On the run, police scramble to catch America's most wanted granny.

After four marriages, 36-year-old Carol Grannon returned to school and got a lucrative job. But, one of her men ended her life as this new chapter began.

Royal Secrets. The disappearance of a local lawyer paralyses a mountain town in Colorado. Soon clues emerge that the community's idyllic veneer is not all it seems.

Fifty-seven-year-old Cynthia Langrall is a devoted wife and hardworking paralegal. So when she's shot dead, police are baffled as to who would commit the crime.

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.

When Beverly Thompson is found bludgeoned to death in her own home, no one suspects her family. Detectives are puzzled, until CCTV footage reveals someone is lying.

On New Year's Eve, Brent Cotta's popular wife, Cassie, mysteriously vanishes. The discovery of a shallow grave leads to the emergence of a horrific truth.

A popular musician, beloved in the community, suddenly disappears from his jazz club along with his employee. Detectives must find them before it's too late.

Barrister Robert Rinder examines the murder of three young children in 1973. Plus, a mother fights to change the law after her son is killed.

Big. In 2010, 36-year-old barman Dexter Bain was brutally killed during a failed robbery. Detectives use CCTV footage and stage a sting operation to prove who pulled the trigger.

A frantic student calls 911 to say she shot her boyfriend in self-defence. Police soon discover they are face-to-face with a remorseless psychopath.

In 2015, the small town of Bremerton, Washington State, is rocked by the brutal murder of a popular young woman, attacked in her own home.