Dark Origins Author:Anthony E Zuiker It is well known among law enforcement personnel that murderers can be categorized on a scale of twenty-five levels of evil--from the naive opportunists starting out at level 1 to the organized, premeditated torture murderers who inhabit Level 25. — But to an elite unnamed investigations group assigned to hunt down the world's most dangerous kill... more »ers--a group of men and women accounted for in no official ledger and headed by the brilliant but reluctant operative Steve Dark-- a new category of killer is in the process of being defined.« less