Crime scene

A location associated with a crime where physical or trace evidence may be recovered. It may include places where a crime occurred, evidence was moved, or related events took place.

Crime scene investigation: The systematic examination and documentation of locations connected to suspected crimes. It organizes the collection and interpretation of evidence at a crime scene.
Trace evidence: Small, transferable materials that can associate people, objects, and places. Crime scenes often contain minute transferred materials rather than obvious objects.
Arson investigation: The investigation of fires suspected to have been deliberately set. Fire scenes require evidence recovery that accounts for burning and volatile residues.
Contamination (forensic science): The unwanted introduction or transfer of material that can compromise forensic evidence. Contamination can create misleading associations or obscure original traces.
Evidence preservation: The practices that protect evidence from loss, contamination, or alteration. Uncontrolled access can damage or compromise material at the scene.
DNA profiling: The analysis of genetic markers to distinguish biological samples and assess their possible sources. Biological traces recovered at a scene may yield a DNA profile.
Homicide investigation: The investigation of an unlawful killing by another person. A suspected homicide scene can contain evidence about death, identity, and sequence.
Forensic science: The application of scientific methods and knowledge to questions arising in law. Scene findings enter a broader process of scientific analysis and legal evaluation.
Chain of custody: The documented record of evidence possession, handling, and transfer. Scene evidence needs a traceable history from recovery onward.
Fingerprint: A pattern of friction ridges on a finger that can leave an identifying impression. Impressions on scene surfaces may associate a person with an object or place.

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