This search pattern is quite straight forward. the members of the team form a line and walk all at the same speed from one end of the crime scene to the other. The Outward Spiral The investigators at the crime scene start at the centre of the scene and work there way outward in a spiral to the edge. Crime scene search methods. wear clean disposable over garments, gloves and masks, never talk over evidence, clean all examination surfaces, items packed sealed and labelled before removal from the crime scene and not reopened before examination different police should deal with different sides of the case, victims and suspects not be transported in the same car.
Strip-search crime scene patterns are ideal for investigating large areas. This technique is executed by the investigators beginning at one end of the search area and continuing forward in the same direction. Spiral searches are often used to find a particular object at a crime scene. The strip method requires that crime scene personnel walk a path from one end of the crime scene, over to the other side of the room or area, and then return in the direction from which he or she first started. Every lap brings the investigator closer to the center of the room or space being searched.
-Large outdoor crime scenes-Searchers follow the first line pattern then searchers realign and continue going the other way (vertical/horizontal). Grid search:A search method employed by two or more people overlapping separate line searches forming a grid. Line/strip search:A search method used by one or two investigators by walking in straight lines across the crime scene. Primary scene:A crime scene at which the original criminal act was perpetrated.