Examines unresolved crimes by reviewing what police and experts in forensic science did (or failed to do) while trying to resolve each crime. This book covers cases such as Jack the Ripper, unidentified serial killer; the murder of Elizabeth Short (The Black Dahlia); and, the assassination of John F Kennedy, officially solved but often disputed.

An troduction to serial killers and how police catch them. Includes case studies from ancient times to the present.

Following the rapid growth of the World Wide Web, criminals have found ways to do everything from steal money to lure victims to their deaths via cyberspace. This title explains the various dangers and risks of going online, how law enforcement works to combat these crimes, and how to avoid becoming a victim of an online crime.

'Drug Crime' looks at how drugs are produced, transported, and sold, and examines the many methods used by police around the world to combat the illegal drug trade.

Crime is a fact of life, despite the best efforts of law enforcement officials to prevent it. This book looks at a key area of crime, how and why it occurs, what investigative techniques police use to prevent or solve it, and how it is processed by the legal system. It also focuses on vital aspects of investigation.