As per Lawkidunya, Crime Scene Security is any location that may be associated with a committed crime. Crime scenes contain physical evidence that is pertinent to a criminal investigation. After a crime scene has been discovered, measures must be taken to secure and protect the scene from contamination.
How is a Crime Scene Processed
Photograph and document the scene. Collect trace materials (especially from probable points of entry) Collect low-level DNA evidence by swabbing areas of likely contact. Collect other items that may contain biological evidence.
Why is it Important to Preserve a Crime Scene
prevent unauthorized persons from entering the crime scene or contaminating any evidence. prevent any damage or further damage. maintain an accurate “scene log” to record the names and the times of everyone who enters and/or leaves the scene.