A look at the key errors made by murderers that led to their arrest, focusing this time on Paul Hutchinson, who abducted, raped and strangled Colette Aram in 1983.

A look at how detectives uncovered the crimes of wife-killer Nat Fraser, revealing how the scheming murderer botched the seemingly perfect plot.

A closer look at the subtle clues that led police to Jesse Matthew, a former cab driver who kidnapped and killed two Virginia college students.

A look at how police tracked down Stephen Port, the east Londoner responsible for murdering at least four men and committing multiple rapes.

The story of how police closed the net on rogue cop Kent McGowen after he killed a woman at her home in Houston in 1992.