Is the rapist and serial killer known as the Hillside Strangler working alone? Plus, a murderer is stalking California's parks; can detectives stop him killing again? S3/Ep6
Poisoners: devious killers relying on their victim's trust in order to steal their lives. Find out why they don't usually stop at just one kill. S3/Ep9
How advances in technology can expose a murderous liar, such as the man who staged his wife's suicide to cash in a $100,000 life insurance policy. S5/Ep1
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 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
Explores three murder cases in which investigators secured convictions from trace evidence, including fingerprinting, fibre analysis and DNA testing. S4/Ep3
Hiding a body can be tricky - it's sometimes easier to obscure the circumstances of death, turning murder into suicide or blaming it on someone else. S3/Ep4
No matter how clean a crime scene appears to be, the culprit often leaves something behind. Even a fingerprint or shoe tread can lead to a conviction. S3/Ep3
See how plants help provide oxygen and nutrients, but in a criminal investigation, they can also mark the time and location of a person's death. S2/Ep4
It is the insignificant details that forensic experts use to recreate a crime and catch a killer - fibres from a carpet, a lost eyelash or a clothing fragment. S2/Ep3
Crime writers know as much about crime as any crime-fighter - or criminal. They can provide as near a first-person account of a murder as is possible. S3/Ep14
The OJ Simpson murder trial captured the attention of the nation. Find out what forensics could and couldn't tell us about the trial of the century. S1/Ep15
Fingerprints are an indisputable, time-tested method of establishing someone's ID. New computerisation means identification can now take only minutes. S1/Ep12
Learn the ways that investigators are always on the cutting edge of new forensic techniques, helping them solve cases and catch criminals more swiftly. S2/Ep8
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
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
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
In Florida, a killer admits murder but no one can find his victim; and in Virginia, police have a decomposed body, but no suspect. Can forensics crack these cases? S1/Ep3
In the dead of night, a house catches fire but forensic investigators determine the blaze is a smokescreen designed to hide a more horrific crime. S7/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
When a killer's dumping ground is discovered in Florida, investigators must confirm the identity of charred bones in order to solve the brutal crime. S7/Ep10
In Colorado the mysterious abduction of a young mother ends up as a brutal homicide. With few clues and fewer suspects, the detectives go on the chase. S7/Ep99
With no fingerprints at the scene, detectives turn to cutting-edge forensic techniques to track a callous killer, hoping to catch him before he could strike again. S7/Ep98
Forensic scientists reconstruct the scene of a bludgeoning murder in Georgia, USA, and find a suspect in the murder of a missing man. Will microfibres hold the key? S7/Ep97