Just a few microscopic cells, from even a single hair or drop of blood, can place a murderer behind bars. What does DNA mean for crime solving today? S1/Ep6
When a missing teenager is found murdered, a piece of rope provides the only clue to the killer's identity. And, police struggle to build a murder case without a body. S6/Ep18
The occurrence of letter-bombing is becoming increasingly more frequent, but the crime lab is the place where the scientists pursue the bombers. S1/Ep11
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. S6/Ep15
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? S6/Ep14
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? S6/Ep13
When a makeshift cemetery is uncovered by a road, detectives realise a serial killer is at large. Will they be able to catch him before he murders more women? S6/Ep11
A man risks everything to find his sister's killer - can a sympathetic detective with a great theory help him? Plus, a sexual predator is getting away with murder. S6/Ep10
From personality profiles to DNA testing and fibre analysis, look at how the latest technology in forensic science helps criminologists solve a case. S8/Ep8
Examining how some killers leave personal marks on their victims. But with the help of hi-tech forensics, police use the marks to capture the killer. S6/Ep8
From microscopic DNA to ballistics and tiny fibres, find out how cutting edge technology and forensic science is used to bring killers to justice. S8/Ep6
With only charred remains left of the victim, forensic detectives have to sift carefully through this scanty evidence to solve a perplexing murder. S1/Ep10
A motel clerk disappears, leaving behind a trail of blood. Investigators have their suspect, but without a victim, what can they charge him with? S1/Ep9
In most cases, the killer and victim share a personal history. But when a victim is caught in a stranger's deadly grasp, a crime may go unsolved for years. S7/Ep95
Killers often try to deflect attention from their crimes by hiding the remains of their victims. Visit two cases where bodies lay hidden for years before being found. S7/Ep93
A victim's estranged spouse is often a key witness in a murder investigation, and when the body is found, family and friends can provide crucial information. S7/Ep89
Just a few microscopic cells, from even a single hair or drop of blood, can place a murderer behind bars. What does DNA mean for crime solving today? S1/Ep6
Sometimes, when a death seems to be accidental, it is up to forensic scientists to reveal hidden betrayals that reclassify cases from accidents to homicides. S7/Ep90
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. S7/Ep87
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? S6/Ep14
From personality profiles to DNA testing and fibre analysis, look at how the latest technology in forensic science helps criminologists solve a case. S8/Ep8
A trucker disappears - police search extensively only to find what they feared in their own backyard. And two sudden deaths are not as coincidental as they appear. S8/Ep7
From microscopic DNA to ballistics and tiny fibres, find out how cutting edge technology and forensic science is used to bring killers to justice. S8/Ep6
A man risks everything to find his sister's killer - can a sympathetic detective with a great theory help him? Plus, a sexual predator is getting away with murder. S6/Ep10
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. S6/Ep4
Discover how scientists can search beneath water for proof of homicide, with cases including a woman found floating in a pond tied to a car jack. S5/Ep12
A young woman's body is found in the trunk of a car, forensic clues lead to the killer of a 19-year-old boy and a police officer does the unthinkable. S5/Ep10
Firefighters are called to a home in the middle of the night to find a fire raging out of control but a mystery woman's charred body is discovered. S8/Ep5