Crime Scene Processing Vocabulary

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Presentation transcript:

Crime Scene Processing Vocabulary

First Responder I.The first police officer or investigator to arrive and witness a crime scene, often a uniformed patrol officer.

Crimes Scene Security J. Limiting and controlling access to a crime scene and maintaining records of who was present.

Scene Survey C. A walk –through & look at the overall scene to try to establish the type of scene, note any transient evidence.

Evidence Recognition E. Determination of which physical evidence items &/or patterns relevant to the case as opposed to being part of the scene background.

Scene Search H. A detailed, systematic search of a crime scene to note every condition and every relevant item of physical evidence.

Documentation K. Creation of a detailed, complete record of a crime scene, including notes, sketches, photographs, and possibly audio-or videotape.

Notes M. Written or audio taped records for documenting a crime scene that contain information such as initial conditions, names and contact information for witnesses, license plate #of vehicles in the area.

Working Hypothesis L. An initial theory about what may have happened in a case based on observation of the crime scene. It can generate predictions about physical evidence that are testable during the investigation, lab analysis.

Rough Sketch N. Sketch made while at scene with important measurements and descriptive area.

Known Control (exemplar) B. A control whose origin is known for certainty.ex.blood or a buccal swab from a person.

Smooth Sketch G. A refined sketch that contains the information drawn to a scale and with non essential features eliminated.

Evidence Collection and Preservation A. The actual seizing and packaging of physical evidence items for submission to a forensic science laboratory in a manner that ensures integrity of the evidence

Evidence Collection Techniques F. Methods used to collect evidence when the intact item or item containing the evidence cannot be seized. It usually includes using forceps or tape lifts at the scene; shaking, scraping, and vacuuming may be done in the lab or as last resort.