Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
When children in Seattle were fighting for their lives after contracting an unknown illness, investigators needed to isolate the cause and find a cure before time ran out. S4 Ep49
The bodies of a woman and her son are found in a field. Insects found on the bodies and a suspicious blond hair help to track down the killer.
After a woman goes missing, her husband is the prime suspect, until key evidence found in a burned out car sheds new light on the case.
A fire at Kings Cross Underground Station kills 31 people. Investigators pinpoint the cause of the fire, but it takes state-of-the-art technology to explain why it became deadly.
A neighbour witnesses a man stab and drown his wife in their pool. However, the man claims he has no explanation and no memory of the crime.
An unfortunate soul burnt to death when a house burst into flames, but careful investigation revealed the fire was no accident.
It would be 50 years before a murderous criminal would be caught, thanks to advancements in investigative techniques.
Top notch forensic science helps solve real crimes. Investigators piece together tiny clues at the scene of a hit and run accident. Their findings help to track down the offending driver.
The body of a man is found thirty years after he was murdered. Scientists try to decipher his blank address book, whose contents have faded with age.
Investigators believe a sinister blood trail will lead them to a missing woman, but she's nowhere to be found. Soon fresh evidence crops up.
When a policeman's home is burned to the ground, he later arrests a man who confesses to the arson. But the confession is dubious.
A young girl's mutilated corpse is found and her parents are charged with her murder. Five years later, new evidence suggests otherwise.
When a pregnant woman was attacked, her unborn child was killed. She accused her husband, who spent years in jail until new DNA evidence emerged.
When an anonymous letter informs police of a murder, they use laser technology to detect its origin and track down a suspect.
Top notch forensic science helps solve real crimes. When an elderly couple die in a house fire, police suspect their son to be the culprit. Will further investigation reveal the truth?
Forensic science helps solve real crimes. Twenty years after a mother of two was found dead, evidence was revisited and investigators closed in on the killer.
When the skull of a woman is found in a Texas canyon, investigators discover that she was stabbed. Will they track down the killer?
When a woman went missing on holiday, all police found was her shoes. Video evidence suggested there might be a killer afoot.
Investigators pieced together evidence found at the scene of a Native American woman's murder. Could tyre tracks lead them to the killer?
Arsenic was found in the blood of a dead woman who was due to testify in court. But who would go to such lengths to get her out of the picture?
When a dry cleaning employee was raped and murdered in store, eye witness accounts were inconclusive. Police turned to forensic investigators for answers.
Gritty series where real crimes are solved using forensic techniques. Police believe the death of a millionaire was designed to look like a robbery gone wrong, but is there more to it?
When an unreliable, drugged up prostitute witnesses an attack on a helpless girl, and an unidentified body is found, police wonder if the cases are connected. S5 Ep11
Lasting Impression: Analysing the evidence, the medical detectives solve real crimes using forensic techniques, alongside reconstructions (which may be unsuitable for younger viewers).
Soft Touch: Analysing the evidence, the medical detectives solve real crimes using forensic techniques, alongside reconstructions (which may be unsuitable for younger viewers).
When a young woman is found dead in her bedroom, investigators use clever technology to lift a fingerprint from her pillowcase.
When the wife of a reputable doctor goes missing, investigators discover the doctor house hunting with another woman claiming to be his wife. S5 Ep12
A six year old girl disappears during a Sunday church service and investigators close in on a taxi driver found in the vicinity.
The disappearance of a woman led police to believe she was the victim of a particular criminal, but blood evidence would prove otherwise.
The friend of two men testified against them after they were involved in an incident. But when a bomb exploded in his home, police smelt revenge.
When a college student was found brutally murdered, hairs and tiny cells found at the scene opened a trail of lies.
When a drowning victim was discovered, police ruled out accidental death when a suspect emerged with several motives for murder.
The latest forensic technology is used to analyse a postcard that could incriminate a religious figure who took part in war crimes. S5 Ep13
Unholy Vows: Analysing the evidence, the medical detectives solve real crimes using forensic techniques, alongside reconstructions (which may be unsuitable for younger viewers).
Photo Finish: Analysing the evidence, the medical detectives solve real crimes using forensic techniques, alongside reconstructions (which may be unsuitable for younger viewers).
When a beautiful model goes missing, suspicious photographs are found in a dumpster.
Investigators turn to forensic evidence, when CCTV footage of a convenience store murder proves too fuzzy to be of any use. S5 Ep14
At the end of a murder mystery event, a real death occurs.
When a lawyer was killed, the beating was so violent that the killer left microscopic evidence at the scene.
Two women are found murdered and police believe there may be a serial killer on the loose. Tiny clues offer up a matching link to their killer.
Forensic science helps solve real crimes. When a young woman was found dead on a golf course, it would be the distinctive grass of the course that would lead to her killer.
When a teenage horse rider went missing and her body was found a month later, investigators examined microscopic evidence which led to the killer.
Broken Promises: Analysing the evidence, the medical detectives solve real crimes using forensic techniques, alongside reconstructions (which may be unsuitable for younger viewers).
When a young woman goes missing, her lurid call girl image is revealed, and her clients are all suspects in her disappearance. S5 Ep15
Horse Play: Analysing the evidence, the medical detectives solve real crimes using forensic techniques, alongside reconstructions (which may be unsuitable for younger viewers).
Whilst out riding with her husband, a woman dies in an apparent riding accident.