What are the three basic principles in a preliminary investigation of a death scene?

In the context of a preliminary investigation at a death scene, the three basic principles are indeed best captured by the focus on rapid response, understanding that everything is evidence, and the necessity for special training.

The principle of rapid response emphasizes the importance of quickly arriving at the scene to secure it and gather essential information before any changes occur or evidence is contaminated. Speed is crucial in preserving the integrity of the scene and any potential forensic evidence that may be present.

The idea that "everything is evidence" highlights the need to take into account all aspects of the scene, including environmental factors and the positioning of items, as they may all play significant roles in understanding the circumstances surrounding the death. This principle also encourages investigators to adopt a holistic view of the scene, ensuring that they are considering all possible sources of evidence.

Lastly, recognizing the need for special training underscores the complexity of death investigations. Not only do investigators need to be skilled in forensics and criminal procedure, but they also must be sensitive to the emotional impact of death on families and communities. Proper training equips them to handle these elements effectively.

Overall, these principles guide investigators in a systematic and thorough approach that is essential for accurately determining the nature of the death and the circumstances that led to it.