Include photographs of entrance, exit routes to scene. Make careful note of following: The sketch is simply drawn to show items, the position and relationship of items. His first reaction to the scene must be, "Does anything look out of place? The evidence should also be taken to the lab as soon as possible.
The videotape can also show the relationship of the spatters to the various structures at the crime scene. Check perimeter of scene to insure that all of scene is secured.
If not then once the autopsy is completed get the prints. Make sure that all possible locations relevant to scene are photographed. Block or rope off scene ABigger is better".
These can be invaluable in constructing scale representation of scene. Photograph victim at scene a. Note time of arrival 2. Be certain to include scales in the close-up shots. It proves that a crime has been committed, establish any key elements of a crime, link a suspect with a scene, establish the identity of a victim or suspect, corroborate verbal witness testimony, and exonerate the innocent.
The chain of custody form must accompany the evidence all the way to its final destination. Are shell casings apparent. These should include full length and close-ups. Questions that should be answered initially are: Blood evidence or the lack of blood evidence can also be used to bolster or contradict a witness statement or any statements that the suspect may make.
What goes on at the crime scene is called crime scene investigation or crime scene analysisand what goes on in the laboratory is called forensic science.
Search of Scene a. Depending on the task breakdown of the CSI unit she works for and her areas of expertise, she may or may not analyze the evidence in the lab.
Oblique lighting is an excellent tool for finding trace evidence and other small items of interest. If time and circumstance do not permit photos before victim is removed carefully note the position of the victim in your report.
When searching for blood evidence, it is important to use a high intensity light.homicide investigation standard operating procedures 4 • Persons to be excluded from the scene include law enforcement officers not as- signed to the case, politicians, members of the media, family, and friends.
CSI Basics Crime scene investigation is the meeting point of science, logic and law. "Processing a crime scene" is a long, tedious process that involves purposeful documentation of the conditions at the scene and the collection of any physical evidence that could possibly illuminate what happened and point to who did it.
A crime scene investigation begins well before the CSI enters a structure, Basic Stages for a Crime Scene Investigation — Possible Homicide Don Penven -until it is determined otherwise. Unlike some TV dramas, the CSI is on site for the purpose of finding, evaluating and collecting physical evidence.
In most agencies, statements. Evidence collected at crime scenes can identify suspects and bring resolution to victims and their families.
Crime scene investigators are responsible for securing a crime scene, collecting evidence, and submitting it for scientific examination.
Some crime scene investigators use tape to secure trace evidence; however, tape is generally difficult to work with at the scene and in the. Homicide Investigation Collecting Evidence.
Nothing is more crucial to any investigation than the actions of the first officers on the scene and the actions they take regarding the preservation of the crime scene, detention of witnesses and an arrest if possible - Homicide Investigation Collecting Evidence introduction.Download