This page discusses how police identify criminals through witness descriptions, focusing on the inherent uncertainty in measurements like height due to the quality of tools and the skill of the measur...This page discusses how police identify criminals through witness descriptions, focusing on the inherent uncertainty in measurements like height due to the quality of tools and the skill of the measurer. It emphasizes that precise tools, such as rulers with detailed markings, can improve measurement accuracy and reduce uncertainty, highlighting their significance in effective assessments.