Under close to general supervision, performs semi-skilled to skilled technical crime scene investigation duties to identify, collect, preserve, photograph, compare fingerprints, and process other physical evidence at crime scenes; and Photograph, develop, print, enlarge and reduce photographs and to do other related work as required. This position also requires conducting accurate, effective evidence recordkeeping, maintaining evidence inventory and chain-of-custody, and preparation of evidence exhibits for court presentations and related courtroom testimony. Work is performed in accordance to Federal and State laws plus established policies and procedures with considerable need, after appropriate training is gained, for independent judgment and consistent exercising of a high degree of accuracy and attention to detail.