Final answer:
The Handbook of Forensic Services guides that investigators should take comprehensive and detailed photographs or videos, including a measurement scale and sequential shots, ensuring full coverage of the crime scene from multiple angles.
Step-by-step explanation:
According to the Handbook of Forensic Services, when taking photographs or videotape, the investigator should adhere to certain guidelines. These include capturing the overall area, the mid-range to showcase relationships amongst the items, and the close-up to provide detailed views of individual objects. Also, it's essential to include a measurement scale and sequence the photographs/video properly. Photos should also be taken from various angles and perspectives to provide a full understanding of the crime scene.
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