Before anything is disturbed. Both after taking photographs and before anyhting is moved. Photographs should be taken in the following order: General area, specific area, specific objects.
What should be photographed first in a crime scene?
At major crime scenes impressions should be photographed before they are casted. Photography is done first because casting the impression will destroy the original impression and eliminate the ability to photograph the impression afterward.
What should be photographed at a crime scene and in what sequence?
Shooting the scene: Photographer should capture the entire scene using wide-angle shots followed by close up shots to visualize the full scene to show relationship of the evidence to the overall scene.
What should be included in crime scene photos quizlet?
What are the three basic photographs associated with crime scene photography? Overall photographs, Evidence-establishing photographs (mid-range), Evidence close-up/forensic quality photographs.
What is the first thing a crime scene investigator should do upon arrival?
“The initial responding officer (s), upon arrival, shall assess the scene and treat the incident as a crime scene. They shall promptly, yet cautiously, approach and enter the crime scene, remaining observant of any persons, vehicles, events, potential evidence, and environmental conditions.”
When should a crime scene be photographed?
Shoot the scene: The photographer should take photographs before anything is disturbed, progressively working through the scene from outside to close-up pictures. Many shots should be taken, from the entire scene, to medium shots to show the relationship of evidence to the overall scene.
Who secures a crime scene?
Police officers are typically the first to arrive at a crime scene. They arrest the perpetrator if he’s still there and call for an ambulance if necessary. They are responsible for securing the scene so no evidence is destroyed. The CSI unit documents the crime scene in detail and collects any physical evidence.
How do you investigate a photo?
- Assess the explanation: Judge whether a proposed explanation of the contents of an image is believable.
- Explain the image: Use visual clues to develop informative explanations of images.
- Explore daily life: Draw conclusions about the lifestyle, practices and conditions of a person or group.
What are the items of physical evidence to be photographed?
fingerprints, toolmarks, tire tracks, and footwear impressions, hairs, fibers, glass, paint, and other trace evidence.
What are the four essential elements of photography?
4 Basic Elements of a Great Photo
- Lighting. The first thing to look for before you start shooting is what kind of lighting you’re working with. …
- Clarity. As I said above, readers want to see what’s in the photo. …
- Color. This is a huge pet peeve of mine. …
What should be photographed first?
The object should first be photographed as is, then photographed with the ruler. It is important that when doing one-to-one photography that the ruler is on the same plane as the object being photographed and the film plane is parallel to the ruler. This is why a level and a tripod are necessary.
What 3 types of photographs are taken at a crime scene?
To accomplish this, all crime scene photography consists of three basic types of photographs: overall, mid-range, and close-up.
What type of pictures should be taken at a crime scene?
Photograph every room in the residence but overlapping photographs need only be taken at the crime scene itself. Interior photographs should depict the conditions of the room, articles left at the scene, trace evidence such as cigarette butts, tool marks and impressions of shoe prints.
What are the 7 basic steps in crime scene investigation?
7 Steps of a Crime Scene Investigation
- Identify Scene Dimensions. Locate the focal point of the scene. …
- Establish Security. Tape around the perimeter. …
- Create a Plan & Communicate. Determine the type of crime that occurred. …
- Conduct Primary Survey. …
- Document and Process Scene. …
- Conduct Secondary Survey. …
- Record and Preserve Evidence.
What are the 3 tools of criminal investigation?
Tools To establish facts and develop evidence, a criminal investigator must use these tools-information, interview, interrogation, and instrumentation. 3.
What is the process of a crime scene investigation?
They take photographs and physical measurements of the scene, identify and collect forensic evidence, and maintain the proper chain of custody of that evidence. Crime scene investigators collect evidence such as fingerprints, footprints, tire tracks, blood and other body fluids, hairs, fibers and fire debris.