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FOR2605 Assignment 1 Semester 1 | Due 31 March 2025

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FOR2605 Assignment 1 Semester 1 | Due 31 March 2025. All questions answered. Question 1 [10] 1.1. It is important that witnesses who are found on a scene be handled and managed in the correct, professional manner so as not to contaminate evidence or the scene. Mention ten important aspects that an investigator should consider when dealing with witnesses on a scene. Question 2 [10] The labelling of insects that were collected on a scene where a body was found is very important for maintaining the continuity of possession. Discuss how the specimens that were preserved after collection should be marked and labelled and what details should be included in the covering letter. Present your discussion under the following headings: 2.1. Labelling 2.2. Information on the labels 2.3. Covering letter. Question 3 [10] 3.1. Discuss common mistakes that investigators make when they investigate scenes of incidents. Question 4 [10] 4.1. Explain in your own words what is meant by the concept “contamination of evidence” and provide a practical example of how evidence can be contaminated. [5] 4.2. At a post-blast site, it is of paramount importance that the scene is searched for evidence. Describe what evidence you will collect if you are asked to participate in the collection of evidence. [5] Question 5 [10] Making complete and accurate investigation notes is one of the most important responsibilities of an investigator who attends a scene. Read the information regarding note-taking in chapter 2 of the textbook. Do not copy the information directly from the textbook when answering this question. Discuss note-taking by organising your discussion under the following headings: 5.1. Reasons why notes should be taken at a scene. 5.2. Essential information that should appear in notes taken at a scene. 5.3. Methods of documenting a scene.

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 Question 1

1.1. It is important that witnesses who are found on a scene be handled and managed in the
correct, professional manner so as not to contaminate evidence or the scene. Mention ten
important aspects that an investigator should consider when dealing with witnesses on a scene.

Handling Witnesses at a Crime Scene
When an investigator arrives at a crime scene, managing witnesses in a professional manner is
crucial to preserving evidence and ensuring accurate testimonies. The first step is to recognize and
identify all possible witnesses. This may involve seeking assistance from other officials to locate
individuals who were present at the scene. Since witnesses are often reluctant to testify, investigators
must approach them with sensitivity and establish trust to encourage cooperation.

Conducting thorough and intelligent questioning is essential in determining which individuals have
relevant information about the incident. Everyone in the vicinity should be regarded as a potential
witness, as even seemingly minor details could be significant to the investigation. To ensure an
orderly process, a designated area should be established for interviewing witnesses. This allows for a
controlled environment where statements can be collected without interference.

Keeping witnesses separate from one another is critical in preventing contamination of testimonies.
Witnesses should not be allowed to interact or discuss the incident, as this could lead to shared or
altered recollections. Investigators must remain present and engaged with witnesses, ensuring they
do not leave before their full particulars are recorded. Additionally, available CCTV footage should
be reviewed to identify witnesses who may have been captured on camera but left the scene.

The emotional state of witnesses must also be considered. Some individuals may be traumatized by
what they have experienced and require special attention. Investigators should use available support
structures to provide the necessary care and reassurance. When obtaining statements, it is best to do
so as soon as possible, ensuring that each witness is in a satisfactory condition and that the process
takes place out of earshot of others.

Finally, to prevent the destruction or contamination of evidence, witnesses should be removed from
the immediate scene once their presence is no longer necessary. By adhering to these principles,
investigators can effectively manage witnesses while safeguarding the integrity of the crime scene
and the investigation.

[Alternate Answer]

Important Aspects for Handling Witnesses at a Scene
When managing witnesses at a crime scene, investigators must adhere to a professional and
systematic approach to ensure the integrity of the investigation. Below are ten critical aspects to
consider when dealing with witnesses:

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