MODEL RELEASED. Photographing evidence. Forensic officer photographing an unloaded gun and its magazine. The gun has been used in a crime and is part of a criminal investigation. Photographs of the evidence are needed for the investigation, and for use in a court of law. The protective clothing is used to prevent contamination of the evidence, and the ruler provides a scale. The gun will be test-fired to provide bullets and cartridges for comparison with those recovered from crime scenes.