Collection and preservation of evidence

Collection and preservation of evidence

Description/Paper Instructions

Collection and preservation of evidence

Collection and preservation of evidence is a critical aspect of the criminal justice system. Properly handling and storing evidence is crucial to ensure its integrity and reliability in court proceedings. This process involves several steps, including identification, documentation, collection, packaging, transportation, and storage of evidence. In the following 1000 words, I will provide an overview of each step and explain its significance in maintaining the chain of custody and preserving evidence.

Identification: The first step in evidence collection is the identification of potential evidence at a crime scene. Trained investigators carefully survey the area to identify items that may be relevant to the investigation. This includes physical objects such as weapons, fingerprints, bloodstains, DNA samples, and any other materials that may serve as evidence.

Documentation: Once potential evidence is identified, it is crucial to document its location, condition, and context. This is typically done through detailed notes, photographs, sketches, and videos. Documentation helps establish the initial condition of the evidence and provides a record for future reference.

Collection: After documentation, the actual collection of evidence takes place. Investigators use specialized tools and techniques to collect different types of evidence. For example, they may use swabs to collect DNA samples, fingerprint kits to lift prints, or evidence bags to collect physical objects. It is essential to use proper collection methods to avoid contamination or damage to the evidence.

Packaging: Proper packaging is vital to prevent contamination, degradation, or loss of evidence during transportation and storage. Different types of evidence require specific packaging methods. For example, biological samples may be placed in a sterile container, while firearms may be secured in a gun box. Each item should be packaged separately, labeled with relevant information, and sealed to maintain the integrity of the evidence.

Transportation: During the transportation of evidence, chain of custody must be maintained. Chain of custody refers to the chronological documentation of the possession, handling, and location of evidence from the time of collection until its presentation in court. Properly sealed and labeled evidence is transported securely to the forensic laboratory, police station, or other appropriate facilities for analysis or storage.

Storage: Once evidence reaches the designated facility, it needs to be stored properly to ensure its long-term preservation. The storage location should be secure, controlled, and accessible only to authorized personnel. Specific protocols may exist for different types of evidence. For instance, biological samples may require refrigeration, while digital evidence may be stored on encrypted devices or servers. Additionally, evidence storage facilities must have proper environmental controls to minimize degradation, such as temperature and humidity monitoring.

Chain of Custody: Maintaining a clear and unbroken chain of custody is essential to establish the reliability and admissibility of evidence in court. Each transfer or handling of evidence must be recorded, including the names of individuals involved, the date and time of transfer, and the purpose of the transfer. This documentation ensures accountability and prevents tampering or mishandling of evidence.

Quality Control: Throughout the entire process, quality control measures are implemented to ensure accuracy, reliability, and adherence to established protocols. Quality control may involve periodic audits, inspections, and adherence to standard operating procedures. It helps identify any potential errors or deviations, ensuring that the evidence remains credible and usable in court.

Digital Evidence: In the digital age, the collection and preservation of digital evidence have become increasingly important. This includes evidence obtained from computers, smartphones, social media, surveillance cameras, and other digital sources. Specialized tools and techniques are used to acquire, analyze, and preserve digital evidence. This may involve creating forensic copies, employing write-blocking devices, and using specialized software to extract and preserve data.

Legal Considerations: Throughout the evidence collection and preservation process, investigators must adhere to legal considerations. This includes obtaining proper search warrants or consent, following legal procedures for handling sensitive or protected information, and respecting

Collection and preservation of evidence

RUBRIC QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points:  Student failed to submit the final paper. 20 points out of 50:  The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50:  The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately.  Elements of the required response may also be lacking. 40 points out of 50:  The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples.  The answer is complete. 50 points:  The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples.  No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). Zero points:  Student failed to include citations and/or references. Or the student failed to submit a final paper. 5 out 20 points:  Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. 10 out 20 points:  References to scholarly sources are occasionally given; many statements seem unsubstantiated.  Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. 15 out 20 points:  Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented.  APA 6th Edition is used with only a few minor errors.  There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points:  Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented.  APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. Grammar (worth maximum of 20% of total points) Zero points:  Student failed to submit the final paper. 5 points out of 20:  The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors  10 points out 20:  The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors 15 points out of 20:  The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. 20 points:  The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. Structure of the Paper (worth 10% of total points) Zero points:  Student failed to submit the final paper. 3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. 5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements.  The student also significantly writes too large or too short of and paper 7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper.
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