Centrifugal Spiral
Definition
Spiral that starts at the centre of the scene (usually the body) and moves outward. Preferred when the central evidence is fragile and the perimeter is intact.
Related terms
- Centripetal Spiral
- Spiral that starts at the perimeter and moves inward toward the focus. Preferred when perimeter evidence is at risk from weather or...
- Search Pattern
- The systematic geometric route walked by a dog handler to ensure uniform coverage of the search area. Standard patterns include the ladder...
- Wedge Problem
- Inherent flaw of wheel search: as spokes radiate outward, the unsearched gap between adjacent spokes widens with distance from the centre.
- Zone Overlap
- An explicit protocol requirement that adjacent zones share their boundaries so evidence on the line isn't missed by both teams.
Explained in
- Crime Scene Search Techniques (Strip, Grid, Spiral, Zone, Wheel)Spiral that starts at the centre of the scene (usually the body) and moves outward. Preferred when the central evidence is fragile and the perimeter is intact.