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Unformatted text preview: packaged at the crime site.-Evidence technicians under the continuous direction of the crime laboratory are more likely to have received thorough training in the gathering of evidence at the crime site.-Evidence technicians are better prepared to adopt new procedures or modify existing procedures to improve evidence collection. Services of Crime Lab-Biology Unit-Firearms Unit-Document Examination Unit-Photography Unit-Toxicology Unit-Latent Fingerprint Unit-Polygraph Unit-Voiceprint Analysis Unit-Evidence-Collection Unit-Forensic Anthropology-Forensic Entomology-Forensic Psychiatry-Forensic Odontology-Forensic Engineering Forensic Techniques-Physical Evidence-Chemical and Biological Evidence Spectroscopy (function of wavelength) Chromatography, Spectrometry-Review some properties of matter first....
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- Spring '08