In a spiral search method, how does an investigator typically move?

In a spiral search method, an investigator typically moves in an inward or outward spiral pattern. This technique is beneficial for thoroughly searching an area where evidence is expected to be found, as it allows the investigator to systematically cover the ground from the center of the area toward the periphery or vice versa.

By starting at a central point and spiraling outwards, the investigator can maintain a clear path and avoid missing any potential evidence. This method is particularly effective in open areas where the boundary can be easily identified, and it’s also advantageous in scenarios where the evidence may be distributed in a circular or radiating manner from a point of interest. The use of a spiral allows for a comprehensive examination without unnecessary duplication of effort in a confined space.

Other search methods, while useful in different contexts, do not offer the same systematic coverage of ground found in the spiral method. For instance, moving in straight lines to the boundary may miss evidence located off the direct path. A grid formation involves a more linear approach across the area, which can sometimes lead to gaps in search coverage. Random patterns are less efficient and can lead to significant areas being overlooked. Therefore, the spiral search method stands out as an effective strategy for thorough evidence collection.