- Approach the Scene. …
- Secure and Protect the Scene. …
- Initiate Preliminary Survey. …
- Evaluate Physical Evidence Possibilities. …
- Prepare a Narrative of the Scene. …
- Capture the Scene Photographically. …
- Prepare the Crime Scene Sketch. …
- Conduct a Detailed Search.
What is the first step in investigating a crime scene?
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.
Which is the best first step in processing a crime scene?
Interview
is the first step in processing a crime scene. The crime scene technician must interview the first officer at the scene or the victim to ascertain the “theory” of the case. Basically what allegedly happened, what crime took place, and how was the crime committed.
What are the 4 steps of crime scene processing?
- Approach the Scene.
- Secure and Protect the Scene.
- Initiate Preliminary Survey.
- Evaluate Physical Evidence Possibilities.
- Prepare a Narrative of the Scene.
- Capture the Scene Photographically.
- Prepare the Crime Scene Sketch.
- Conduct a Detailed Search.
What are the five steps in order to process a crime scene in order?
INTERVIEW, EXAMINE, PHOTOGRAPH, SKETCH and PROCESS
.
What are the 7 S’s of a crime scene?
- Securing The Scene.
- Securing And Collecting Evidence.
- Separating The Witnesses.
- Sketching The Scene.
- Seeing The Scene.
- Scanning The Scene.
- Searching For Evidence.
What are the 7 basic steps in crime scene investigation?
- Secure the Scene.
- Separate the Witnesses.
- Scan the Scene.
- Photograph the Evidence.
- Sketch the Scene.
- Search the Scene.
- Secure and Collect Evidence.
What are the steps in collecting evidence?
- Document and photograph the evidence.
- Properly secure the evidence by placing it in a paper bag or envelope.
- Close, seal, or tape the paper bag or envelope. …
- Label the bag or envelope with the patient’s identifying information.
- Examiner must place signature, date, and time on the envelope[3]
What is the process of an investigation?
The investigative process is
a progression of activities or steps moving from evidence gathering tasks
, to information analysis, to theory development and validation, to forming reasonable ground to believe, and finally to the arrest and charge of a suspect.
What is first step of investigation?
The first is
the formulation of a hypothesis
. The hypothesis is a statement that outlines specific predictions that the investigator makes about the outcome of the study. There are two possible outcomes to any investigation. Either the supposition to the study is correct or it is wrong.
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 are the steps in the crime scene process?
- 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 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.
What is the golden rule in criminal investigation?
The Golden Rule in Criminal Investigation. “
Do not touch, alter, move, or transfer any object at the crime scene unless it is properly marked, measured, sketched and/or photographed
.”
What is the first thing you should do before trying to lift a fingerprint off a surface?
The easiest method is called
dusting
, in which you use a very fine powder that can stick to the oil in the fingerprint. Once the fingerprint becomes visible, you can lift it from the surface with clear tape and transfer it to another surface to then take into the laboratory to analyze further.
What should you not do at a crime scene?
- 1 – Do NOT touch, or have anyone else touch anything. …
- 2 – Do NOT clean it yourself, or have a family member or employee clean up.