Five Systematic Searching Techniques

There are five systematic searching techniques utilized by investigators during a crime scene investigation. The first technique is "a point-to-power movement which follows a chain of objects that are obviously items of evidence" (Lushbaugh & Weston, 2016). The second technique is an ever-widening circle, in which the searching officer begins their search at the main area or focal point of the scene and then works their way outward in either a clockwise or counter clockwise direction until all areas of the crime scene, both inner and outer reaches, are searched. The third technique is an ever-narrowing circle which is the exact reverse of the ever-widening circle technique. Therefore, the ever-narrowing circle is when the searching officer