Are there defined principles or methodologies to use in CSA?
The history of crime scene analysis has recurring themes that set forth a functional approach to the discipline. There are several methodologies; BGA employs the method known as Event Analysis. All of the various methodologies are supported by several basic principles, which include: Steno’s Law of Superposition, Steno’s Law of Lateral Continuity, the concept of Chronology (both absolute and relative) and Locard’s Principle of Exchange.