What causes competent and dedicated investigators to make avoidable mistakes, jeopardizing the successful resolution of their cases? Authored by a 21-year police veteran and university research professor, comprehensively defines and discusses the causes and problems most common to failed investigations. More importantly, it outlines realistic strategies for avoiding investigative pitfalls. Illuminated with case studies, this practical resource examines three main reasons for investigative failure: Authoritative contributors from a variety of disciplines elaborate on the aforementioned core points with commentary and case studies of well-known crimes. Written in a quick-to-grasp style, this useful text provides practical advice for avoiding investigative failures. It is an invaluable reference for investigators looking to prevent future failures of justice and find the truth.