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Features investigations in which natural clues, including insect bites, cat hair and a rare form of bacteria helped forensic scientists solve murders.

Three cases illustrating the extreme measures investigators take to catch a killer when a missing person is presumed dead but no body can be found.

Specialised FBI teams root out and dismantle terrorist operations and put away criminals whose secretive cells are well armed and very dangerous.

When a land developer finds his wife missing, the FBI suspects him of the kidnapping but they must keep their options open.

Life And Crimes Of Kenneth Noye. Judge Rinder looks at the life and crimes of notorious criminal Kenneth Noye, and a heartbreaking murder that led to an international manhunt.

After newlywed pharmaceutical rep Debbie Ashley is found dead in her car trunk, police suspect gang involvement. But soon, a stunning confession reveals dark secrets.

Police discover that the successful wife of a popular DJ has been murdered. Will video cameras in the neighbourhood help bring her killer to justice.

In 2015, 33-year-old Jonathan Cherol is shot dead in his garden. CCTV footage sends detectives on the hunt for a strange woman and a mysterious vehicle.

When 80-year-old Lea Adri-Soejoko took Rahim Mohammadi under her wing, she had no idea how much he resented her. Until one day, he snapped and attacked her.

When Jeff Silvernail finds his partner dead at home, it appears a burglary gone wrong. But police soon uncover it is, in fact, the ultimate betrayal.

When two bodies turn up in a car crash, investigators uncover the grizzly truth about a seemingly perfect relationship.

One night in 1993, an officer is shot and killed during a routine traffic stop. The only witness is his young nephew who is too scared to tell police.

When two young girls are murdered three years apart, the police believe the same man is responsible. Can they catch him before he strikes again.

A young mother is found murdered at home and suspicion quickly falls on her friends. Investigators piece together surveillance footage to track down the killer.

A father discovers his son committed three murders and makes the agonising choice to turn him in, a decision that destroys their relationship forever.

Tiffany grew up knowing her father was evil, but kept his secrets. When she finally escapes him, she is devastated to discover the extent of his heinous acts.

In 2014 8-year-old Hiawayi Robinson leaves her apartment to play but never returns. Surveillance footage at a store leads detectives to shocking discoveries.

Police rely on a drop of blood to determine a missing person's fate. Plus, when a woman is hit by a train, is a killer covering his tracks.

A man is convicted of the murder of a little girl snatched during a game of hide-and-seek. After a 20-year campaign, could new DNA evidence set him free.

When Dalene Carlson vanishes in the night, CCTV footage reveals several suspects, each with a motive. Can police uncover the truth behind her disappearance.

Pregnant student Loretta Saunders vanishes. Her trail runs cold after she is spotted on CCTV at her apartment building. The race to find her is now on.

Investigates murder cases that took a decade or more to solve and how detectives can solve such cases when clues have become scarce.

Find out how arson investigators can retrieve important clues from scorched rubble, leading to the arsonist.

In 1990, Chicago experienced a string of bank robberies. As the 'Bearded Bandit' became more sophisticated the FBI surmised that it could be a cop.

Greed was the main motivation for the Prince Brothers' killings, firstly for money, then to get rid of those they believed could incriminate them.

When two young girls are murdered three years apart, the police believe the same man is responsible. Can they catch him before he strikes again.

Aspiring architect Claudette Ficik charms everyone she meets with her warm personality, but one cold February day she disappears in broad daylight.

A waitress is attacked as she returns home from work, late at night. Will a chilling clue found at the crime scene ultimately lead to justice.

The Man In The Cowboy Hat. In 2016, a motel cleaner finds the body of an unidentified woman in one of the rooms. Detectives use CCTV to track a mysterious suspect in a cowboy hat.

When firefighter Bob Poynter is killed, no-one appears more devastated than his young wife, Chacey. But soon detectives discover a web of lies.

A Mississippi husband who uses a wheelchair turns violent when his loving wife tries to end their marriage. Was it self-defence - or murder.

Drip, Drip! Nurse and private investigator Nikki and Jimmy Cappello are a dynamic duo - until Jimmy suddenly goes missing.

Frank Buschauer is convicted of drowning his wife, Cynthia Hrisco, in a whirlpool bathtub. His family maintain the death was a terrible accident.

Judge Rinder explores the story of a woman who was set on fire and a series of thefts of laughing gas canisters from hospitals.

When an innocent woman in a quiet town is shot in broad daylight, detectives act to find her killer. Can video surveillance reveal what happened.

The 1990 murder of Dianne Hood uncovers two broken marriages, an extramarital affair and one man trying to control two women.

A sadistic murderer terrorises Dallas in 1991 as a series of women are found murdered with their eyeballs surgically removed.

When a loving couple fail to reach their holiday campsite, New Mexico State Police investigate. With no forensic evidence or witnesses, they scour CCTV footage for clues.

Dismembered human remains are found in a grocery bag on a riverbank - will detectives be able to piece together the victim's identity and catch a killer.

A makeshift coffin conceals a body - can insects help cops identify the corpse? Plus, a parasite expert proves murder when a woman is found in a dumpster.

When Diane Cunningham is found murdered, the only clues are several receipts. Security footage reveals a prime suspect, but not everything is quite as it seems.

Family man Richard Arenas is gunned down in broad daylight. With no apparent motive or witnesses, can investigators track down his killer on CCTV.

A woman, Betty, identifies a dead body as her missing sister Annie - but Annie is still alive. A look at murderers who kill to acquire a new identity.

Examines the history and modern evolution of the Texas Rangers, who were formed in the 1830s to protect settlers against attacks from natives.

A masked gunman robs a California bank and escapes after a standoff with police. Months later, when a jeweller is robbed and kidnapped, a tip links the crimes.

When an officer dies in the line of duty, the fraternity of law enforcement bands together to make sure that justice is brought to those responsible.

In Virginia, 2009, student Morgan Harrington vanished. Her body is found, but no culprit is identified until five years later, when another student goes missing.

A look at when there are no eye-witnesses to murder, photographic evidence can provide investigators with a permanent record of the killer.

Investigates partners who commit crimes, including two cab drivers, and a new DNA technique that can extract clues from four-year-old evidence.

Police arrest two conspirators in a plot to kill a woman, but in a dark twist, they accuse the victim's ex-husband of hiring them to kill his ex-wife.

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

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.

When Charlie Kinkel vanishes in a remote Nevada town, locals shun his wife when she investigates. The discovery of a body reveals a case of misplaced suspicion.

Donna Fontaine and her boyfriend are found shot dead in a burning house. Detectives face a wall of silence until a jilted lover brings evidence to light.

When 42-year-old Trudy Darby is murdered, and two more local women go missing police fear a serial killer. But a surprising call reveals the true culprits.

Armed officers confront a crazed gunman at his home, then discover his terrifying plans to carry out a mass shooting at a school and police station.

When mother Samantha McNorton vanishes without a trace, Ranger Holland steps in and launches a whirlwind investigation, determined to find her.