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Some evidence is far less obvious than a gun.
At a crime scene, tiny items such as rug fibers, hair, cigarette ashes, or matches, and even DNA samples may become important evidence in your defense. Provides an introduction to DNA testing. Provides guidance and procedures for safe and efficient methods of collecting and preserving evidence and ot describe forensic examinations performed by the FBI Laboratory. Obtaining Evidence Abroad From the U.S. State Department. Discusses the legal requirements of specific foreign countries.