Unsolved crimes and mysteries have fascinated Americans for centuries, and a single glance at any recent tabloid or TV line-up proves that this is still true today. The Encyclopedia of Unsolved Crimes details more than 540 of the most baffling cases of the past two centuries. Comprehensive, in-depth coverage from cases around the world leaves people of all ages wondering how these crimes were committed. Easy-to-follow entries provide an overview of the crime, the parties involved, the evidence gathered, and the leading theories of law enforcement...but no solution! Other entries cover topical items such as missing persons. The Encyclopedia of Unsolved Crimes focuses on cases involving prominent figures like Jimmy Hoffa and mysterious scenarios such as the Zodiac Killer, as well as those with a major social impact like the Tylenol Murders.