: You must fill in blanks using a limited word count from the text. Focus on the chronological steps of the investigation.
Answer: ninhydrin Explanation: Paragraph D: “Fingerprints are developed using... chemical reagents like ninhydrin.”
The text typically breaks down the CSI process into three critical phases: Assessing the Scene
: Techniques used to cover an area, such as spiral, strip, or zone searches. Investigating A Crime Scene Ielts Reading Answers
). The text focuses on the systematic procedures followed by police and Scene of Crime Officers (SOCOs) to preserve and collect evidence. Reading Passage: Investigating A Crime Scene Assessing the Scene
Which paragraph discusses the psychological pitfalls of an investigator? Answer: [Paragraph Letters vary, usually Paragraph C or D]
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Explanation: While the passage thoroughly explains Locard's principle (that criminals leave something behind and take something with them), it never discusses or quantifies the awareness level of the criminals themselves. Section C: Matching Information / Multiple Choice
The text states it is "best to assume that it has" to avoid losing time. Witnesses are encouraged to discuss the event together.
The police may ask the people who are at the crime scene to wait together until they can talk to them. FALSE chemical reagents like ninhydrin
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SOCOs follow a strict, four-step process for photography, which includes capturing the overall scene, documenting items before they are touched or moved, using a scale for close-ups, and photographing the area again after an item is removed for lab analysis. Evidence Collection Process
: A permanent record is created using notes, sketches, and a strict four-step photographic process that includes taking photos both with and without a scale. Types of Evidence
(Synonyms: cross-contamination, transfer epithelial cells, extraneous biological material → avoiding mixing )