Analyze crime scenes to determine what evidence should be collected and how

Take photographs and make sketches of the crime scene

Record observations and findings, such as the location and position of evidence

Collect evidence, including weapons, fingerprints, and bodily fluids

Catalog and preserve evidence for transfer to crime labs

Reconstruct crime scenes

Perform chemical, biological, and microscopic analyses on evidence taken from crime scenes

Examine results of DNA analyses of biological substances, such as hair and skin cells, and other evidence for their significance to investigations

Consult with experts in specialized fields, such as toxicology (the study of poisons and their effect on the body) and odontology (a branch of forensic medicine that concentrates on teeth)

Prepare technical reports, including statistical analyses of forensic evidence

Operate, maintain, and clean laboratory facilities and equipment