Importance Of Evidence In Crime Investigation

CSI Assignment
TOPIC:
Searching for Evidences

Momina Arshad
AUD2154
BSc. Forensic Science
Dated: 10/11/2014

INDEX………………………………………………………. Page
Introduction…………………………………………………
Types of Evidences……………………………………….
Search Methods…………………………………………..
Importance of Searching ………………………………..
Case Study……………………………………………….
Bibliography………………………………………………

Collection of evidences at the crime scene is one of the most important job of an investigating officer amongst many others. An investigator must have an amazing intellect and a keen sight in order to point out these evidences flawlessly. The work of the officer is based upon the principle of mutual exchange, as suggested by Edmond Locard, “When two things come in contact, they

The investigating team members walk from different points at the outer boundary of the circle, straight inwards to the center of the circle. This technique can be used for both indoor and outdoor crime scenes. Wheel method allows the officer to carry out a thorough search of the scene of occurrence and collect all crucial evidences and pack them properly for analysis.
6) Random Search
As the name suggests, it is a search method that does not involve any specific pattern. The investigating officer can start searching for evidences in any manner he feels suit the crime scene.
Importance Of Searching
These are some of the basic methods used globally by the forensic experts and the investigating officers to search for evidences at crime scenes. The search for evidences is of extreme importance when it comes to solving a case because they provide as major support to the case. Physical evidence also plays an essential role in several judicial processes, such as:-
• Helping to determine the elements of

She reported that her daughter, sleeping, had been kidnapped in the middle of the night. The mother, Patsy Ramsey, made the call from Tudor, Colorado therefore the officers reached the crime scene just before 6 A.M. in the morning. Upon arrival they were confronted with both parents stating that their daughter had gone missing and that only a ransom note was left that demanded for money.
Officer Rick French was the investigating officer of this case and he conducted a brief search of the house after reading the note, however he found nothing. He found a neglected door in the basement during the initial stages of the search but ignored it deeming it unimportant. During the entire time while the search was being conducted, many people were allowed to come in and go out of the house without much questioning. The entire area was never properly barricaded to restrict entry and exit of people. Even John Ramsey, the father, was allowed to go to his office and collect his mail after the police had arrived. It was essential that the crime scene was properly barricaded and that no one was allowed to exit the police custody. The only place properly preserved was JonBenet’s room, people were all flocking in the rest of the house from neighborhood etc. The area where these unauthorized people were present was later cleaned to retrieve evidence but as expected,