Dominic Utton

It is a definition that can be exceptionally broad. From Joanne Dennehy, the British woman who stabbed three men to death – and tried to kill another two – in 15 nightmarish days in 2013, to Samuel Little, America’s deadliest serial killer, who strangled 93 women over 35 years before his eventual arrest in 2005. From Ivan

became advanced enough to piece to

All are serial killers, and all are different

These are the faces of evil. Don’t have nightmares.

Some kill out of rage, or revenge; others from a twisted sexual pleasure in inflicting pain

Some operate over years or even decades, appearing from the

From Joanne Dennehy, the British woman who stabbed three men to death – and tried to kill another two – in 15 nightmarish days in 2013, to Samuel Little, America’s deadliest serial killer, who strangled 93 women over 35 years before his eventual arrest in 2005.

Ted Bundy, who kept the skulls of those he killed as trophies in his apartment.

John Knowles, the so-called ‘Casanova Killer’

They are the worst of humanity, men and women driven by an urge to kill, and kill, and kill again.