What type of search involves starting from the perimeter and working toward the center?

The inward spiral search is a systematic approach where the search begins at the outer perimeter of a designated area and progresses toward the center. This method is particularly effective in scenarios where the search object is thought to be located in the middle of a defined space, as it ensures thorough coverage of the area without missing any potential evidence along the way.

As the searcher moves inward in a spiral fashion, they can maintain control of the area they have already searched, minimizing the chances of overlooking important clues. This method allows for a focused examination of the area, gradually reducing the search space and ensuring that each part of the area is verified for any findings.

Inward spiral searches are commonly used in crime scene investigations or missing person cases, where careful attention to detail is crucial for gathering evidence or locating individuals. Other methods, like the grid search or parallel search, do not have this inward focus and may be better suited for different contexts or types of terrain.