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Forensic Science
Crime Scene Basics
| Question | Answer |
|---|---|
| Any physical location where a crime has occurred | Crime Scene |
| Person Committing the crime | Suspect |
| Person associated with someone committing the crime | Accomplice |
| Statement of where the person was at the time of the crime | Alibi |
| Original location of the crime | Primary crime scene |
| Oral or written statments | Testimonial |
| material items that would be present at the Material items found at the crime scene, on the victims, found in a suspect’s possession | Physical evidence |
| Physical evidence that is found in small but measurable amounts, such as strands of hair, fibers, or skin cells | Trace evidence |
| First to arrive at a crime scene | Police Officer |
| Documents the crime scene in detail | CSI Unit |
| Determines if any search warrants are required | District Attorny |
| Determines a preliminary cause of death | Medical Examiner |
| If evidence requires expert analysis | Specialist |
| Interviews witnesses and consults with CSI Unit | Detectives |
| First step of crime scene protocol | Interview |
| Determine the presence of a controlled substance | Drug Chemistry |
| Identification and comparison of materials from fires, explosions, paints, and glass | Trace Chemistry |
| Microscopic identification and comparison of evidence, such as hairs, fibers, woods, soils, building materials, insulation and other materials | Microscpy |
| Analysis of body fluids and dried stains such as blood, semen, and saliva | Biolgy/DNA |
| Tests body fluids and tissues to determine the presence of drugs and poisons | Toxicology |
| Identification and comparison of fingerprints or other hidden impressions from sources like feet, shoes, ears, lips or the tread on vehicle tires | Latent Prints |
| Study of bullets and ammunition through the comparison of fired bullets, cartridges, guns, and gunpowder patterns on people and objects | Ballistics |
| Examines marks left by tools on objects at a crime scene or on a victim, such as a hammer used to break a door or a screwdriver used to pick a lock | Toolmarks |
| Examination of documents to compare handwriting, ink, paper, writing instruments, printers, and other characteristics that would help to identify its origin | Questioned Documents |
| The second step in the investigation of a crime scene, which will help identify possible evidence, identify the point of entry and point of exit, and outline the general layout of the crime scene | Examine |
| The third step in the protocol involves creating a pictorial record of the scene as well as a rough sketch to demonstrate the layout of the crime scene and to identify the exact position of the deceased victim or other evidence within the crime scene | Document |
| This is the last step in the protocol. The crime scene technician will process the crime scene for evidence, both physical and testimonial evidence | Process |
Created by:
mpringle
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