Eastern Michigan University
Evidence Tech Unit
Evidence Technicians aid forensic scientists and investigators by helping to identify, secure, collect and process evidence. Evidence Technicians help survey the scene of a crime or incident; write reports; and index, catalog and label evidence. Evidence technicians may also:
- Maintain records of evidence and write and review reports.
- Testify in court and present evidence.
- Look for trace evidence, such as fingerprints, hairs, fibers, or shoe impressions, using alternative light sources when necessary.
- Analyze and process evidence at crime scenes and in the laboratory, wearing protective equipment and using powders and chemicals.
- Package, store and retrieve evidence.
- Dust selected areas of crime scene and lift latent fingerprints, adhering to proper preservation procedures.
- Coordinate or conduct instructional classes or in-service classes and crime scene training for other officers.
- Submit evidence to supervisors, crime labs, or court officials for legal proceedings.
- Serve as technical advisor and coordinate with other law enforcement workers or legal personnel to exchange information on crime scene collection activities.
- Identify, compare, classify, and file fingerprints using systems such as Automated Fingerprint Identification System (AFIS).
- Photograph crime or accident scenes for evidence records.
- Process film and prints from crime or accident scenes.
- Interview victims, witnesses, suspects, and other law enforcement personnel.
- Perform emergency work during off-hours.