Crime+Inv+1

Troopers arrest a murder suspect, catch a Facebook scam runner and investigate hunters butchering a moose in a bank drive-thru.

Wanted fugitives, stolen vehicles and dramatic pursuits. These elite K9 teams rely on instinct, training and determination to track suspects down.

As the search intensifies, K9 Tipster and K9 Murphy work alongside their handlers to track suspects and uncover vital clues in the fight against crime.

Tortured and Murdered By Her Friends: The tragic story of Gemma Hayter, who was was found stripped, stabbed and beaten to death in Rugby in 2010. (S5, ep 3 of.

A doting husband mysteriously disappears from his rural town. When his body is found stabbed and bludgeoned in the woods, detectives uncover a love triangle.

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.

Pregnant Monica, finishes her shift at work and goes to meet a friend, but is shot three times on her way there. Two days later, her body is found.

Erin, 19, goes out with friends. Later, she gets in a car with her boyfriend. By 11:45 PM, she texts her mum: "I can't get out." He attacks and leaves her.

When Yessenia Suarez and her two children were reported missing after a confrontation with her jealous husband, fears for their safety grew.

It's a race against time for detectives in Tulsa when new evidence casts fresh light on an unsolved murder case.

Joe is faced with one of the most dangerous criminal masterminds he's ever encountered as he investigates the shooting of a woman in Colorado Springs.

A meeting between two businessmen leaves one shot in the face. But lieutenant Kenda suspects the victim could actually be the aggressor.

An officer in pursuit loses radio contact and can't reach his backup. As ambulances pass, anxiety creeps in and he fears the worst.

Funks Wild Ride: A man calls 911 on the cops, plus allegations are made against a woman accused of stealing a horse and buggy.

A defendant gets upset with a judge's decision. A man is physically removed from a hearing.

A look at murderers who called 999 to report their crimes as an accident, starting with Dominic Isom, who killed his fiancée at their Dorset home in 2015.

A closer look at the case of Darren Byrne, a former city trader who killed his wife then tried to burn down the family home after she discovered he was having an affair.

The chilling story of a lodger from Canterbury, Kent, who murdered his housemate and the man's girlfriend after a row over hot water.

When Ezra McCandless is found bruised, she accuses boyfriend Alex Woodworth before asking to see her ex - but has this love triangle turned fatal.

After a 19-year-old woman goes missing, her family set out to find her. But as the hope of bringing her home alive grows slim, two unlikely people step up.

A sudden illness takes hold of a beloved doctor and soon takes a fatal turn. The investigation into her death leads the family on a harrowing journey.

Teenager Natalie Bollinger vanishes without a trace in Colorado. After her body is found dead on an isolated road, a frenzy of theories confuses detectives.

Joe is faced with one of the most dangerous criminal masterminds he's ever encountered as he investigates the shooting of a woman in Colorado Springs.

It's a race against time for detectives in Tulsa when new evidence casts fresh light on an unsolved murder case.

When Ezra McCandless is found bruised, she accuses boyfriend Alex Woodworth before asking to see her ex - but has this love triangle turned fatal.

K9 Duke's elite agility is put to the test in a high-risk takedown, bringing a tense standoff to a dramatic end.

K9 Shep and his handler become a nationwide sensation after body cam footage of the remarkable police dog goes viral.

Andrew's home is seized by squatters who change the locks and install cameras, triggering a tense fight to take back his property.

Health issues force Zachary from his home, but alleged serial squatters move in and refuse to leave, sparking a bitter fight back.