Hunting Killers

Brought to you by Penguin.

Death has a unique smell. I''ve been in the presence of people who have killed; I''ve been in rooms where people have been killed. I''ve seen the unspeakable things human beings are capable of. None of that puts me off my aim; I want to see those people caught, convicted and sent to jail.

Mark Williams-Thomas is a former police detective and multi-award-winning investigat...