Since the phrase "Investigating A Crime Scene" typically refers to a specific (often found in practice tests like Cambridge IELTS 14 or similar), there are two ways to interpret your request.
A pervasive threat throughout every phase is cross-contamination. An investigator wearing the same gloves while touching a door handle and then a victim’s clothing can transfer epithelial cells, creating spurious DNA profiles. Similarly, coughing or shedding hair over evidence introduces extraneous biological material. To mitigate this, protocols mandate disposable gloves, face masks, paper suits, and shoe covers. Furthermore, a dedicated ‘evidence submission’ area is established away from the primary scene where cleaning and logging occur, physically separating the collection zone from the analysis zone. Investigating A Crime Scene Ielts Reading Answers
Below is an original followed by typical question types (True/False/Not Given, Short Answer, Matching Headings) and an answer key . IELTS Reading Passage Since the phrase "Investigating A
A __________ witness has direct visual contact with the suspect. An investigator wearing the same gloves while touching
: SOCOs follow strict guidelines when photographing: Photograph the whole scene. Photograph each item before moving it. Add a scale and re-photograph the item. Photograph the area again after the item is removed.
: The passage distinguishes between obvious evidence (like weapons) and trace evidence
C. To avoid contaminating the scene with their own biological material. D. To appear professional when giving evidence in court. When should a crime scene be photographed? A. Only after all evidence has been collected. B. As soon as the first officer arrives. C. Before any items are touched or moved. D. Only if the crime is of a serious nature. Answer Key & Explanations To stop them from comparing and changing their stories.