What precautions should be taken when handling evidence?

Wearing gloves and avoiding direct contact when handling evidence is crucial for several reasons. Firstly, this practice helps prevent contamination from the handler, which could compromise the integrity of the evidence. Contaminants, such as DNA, fingerprints, or environmental substances, can alter the original state of the evidence and affect the results of forensic analysis.

Additionally, gloves serve to protect the investigator from potential hazards, including biological material that may pose health risks. By using gloves, investigators not only preserve the evidence in its purest form but also maintain a safer working environment for themselves. Maintaining the chain of custody is also critical in forensic investigations, and proper handling techniques, such as wearing gloves, ensure that evidence remains uncontaminated and admissible in court. This practice is a foundational aspect of crime scene processing and is fundamental to the credibility of the investigation and any subsequent legal proceedings.