Have you ever thought about whose job it is to track international fugitives, hunt child abductors, conduct espionage, or pull human remains from concealed mass graves? Everyday thousands of good and decent people work in these Dark Arenas. They’ve chosen professions that grapple with the...

When two friends sitting on a bench in an Ohio park are gunned down in cold blood, the investigators responsible for solving they murders are left dumbfounded.