
An in-depth look at some of the world's most dangerous murderers.

Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.

Anthony Russell, a triple murderer, sparked a frantic 2020 manhunt as police raced to stop him.

Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder.

Robert Howard manipulated and preyed on vulnerable women across countries.