Which method is commonly used by forensic labs to analyze physical evidence?

Microscopy is a highly effective method used in forensic labs to analyze physical evidence due to its ability to provide detailed examinations of samples. This technique involves using microscopes to magnify objects, allowing forensic scientists to observe features and characteristics that are not visible to the naked eye. Forensic microscopy can be applied to a variety of physical evidence types, such as hair, fibers, gunshot residue, and paint chips, enabling accurate identification, comparison, and analysis.

The precision afforded by microscopy plays a critical role in forensic investigations. It helps in establishing connections between evidence and a suspect or crime scene by revealing the unique traits of materials. This level of detail is invaluable for forensic analysis, helping to substantiate claims and build reliable cases in court.

Other methods listed, such as visual observation, field interviews, and statistical modeling, serve different purposes in forensic science but do not provide the same level of direct, detailed analysis of physical evidence that microscopy does. Visual observation may provide initial assessments, field interviews gather information from witnesses or suspects, and statistical modeling is used for interpreting data trends rather than directly analyzing physical samples. Each of these has its value in the forensic process but lacks the specificity and clarity afforded by microscopy.