Spends at least 65% of time performing duties that involve the collection, examination, preservation, documentation, preparation, or analysis of human tissues or fluids or physical evidence having potential biological, chemical or radiological hazard or contamination, or use chemicals, processes, or materials that may have carcinogenic or health-damaging properties in the analysis of evidence. Uses forensic tools and investigative methods to find specific electronic data, including internet use history, e-mails, photos, word processing documents, images and other files; utilizes technical skills to locate files and information that has been hidden, deleted, manipulated or lost.