World-renowned forensics experts and criminal investigators solve murders and other crimes, using forensic evidence as they seek convictions.
Discover how a few milligrams of forensic evidence can be crucial to a crime investigation and prove the innocence or guilt of the accused. S3, Ep1
Lethal Obsessions. Exploring the mind of the obsessive murderer, following the work of psychologists as they study the muddled workings of the criminal psyche. S3, Ep2
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
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
Contract killings arose out of the need to establish the perfect alibi, hiring someone can deflect guilt. Forensic science is changing this. S3, Ep5
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
Mobile phones, CCTV and cashpoints can track virtually every human move. We see exactly how this aids murder investigations. S3, Ep7
A chilling look at the work of female killers. They can be as deadly as their male counterparts, but they choose less violent methods. S3, Ep8
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