Widely recognized as one of the most comprehensive texts in the field, this practical, step-by-step introduction to criminal investigation gives students a logical framework for understanding the investigative process. Major sections cover current issues such as environmental crime, the looting of archaeological sites, videotaping of crime scenes, street gangs, and drugs. Now in its seventh edition, " Criminal Investigation has been revised and updated, includes a new chapter, Crimes Against the Elderly (13), and continues to feature the latest investigative techniques and discussion of the latest technology. Case studies throughout the text emphasize the applied technique of criminal investigation, and its consistently praised art program including graphs, charts, and arresting photographs, depict the practical aspects of investigation and help to clarify difficult scientific concepts.