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.

One of the worst crimes to consume British headlines in 1986 leads authorities on a search for a killer who was in the thick of a murder investigation the entire time.