Job Description Help for Job Description. Opens a new window. Extract, amplify and analyze DNA from biological samples. Analyze DNA evidence from blood and other bodily fluids using microscopic techniques for criminal investigations and interpret, prepare and present findings to law enforcement agencies, attorneys and government forensic laboratories. Monitor and observe lab experiments, recording production and test data for evaluation by research personnel. Keep detailed logs of all work-related activities. Input data into laboratory databases. Isolate, identify and prepare specimens for examination. Set up, adjust, calibrate, clean, maintain, and troubleshoot laboratory and field equipment. Monitor laboratory work to ensure compliance with set standards. Conduct standardized biological and microbiological tests and laboratory analyses to evaluate the quantity and quality of physical and chemical substances. Testify in depositions and in court about investigative and analytical methods and findings.