Collect, identify, classify, and analyze physical evidence related to criminal investigations. Perform tests on weapons or substances, such as fiber, hair, and tissue to determine significance to investigation. May testify as expert witnesses on evidence or crime laboratory techniques. May serve as specialists in area of expertise, such as ballistics, fingerprinting, handwriting, or biochemistry.

Education: Most of these occupations require a four-year bachelor's degree, but some do not.

Expereince: A considerable amount of work-related skill, knowledge, or experience is needed for these occupations. For example, an accountant must complete four years of college and work for several years in accounting to be considered qualified.

Training: Employees in these occupations usually need several years of work-related experience, on-the-job training, and/or vocational training.

• Crime Laboratory Analyst, Crime Scene Analyst, CSI (Crime Scene Investigator), Crime Scene Technician (Crime Scene Tech), Evidence Technician, Forensic Science Examiner, Forensic Scientist, Forensic Specialist, Latent Fingerprint Examiner, Latent Print Examiner