Conducts laboratory analyses for the identification of material evidence; examines and preserves evidence at a crime scene; conducts polygraph examinations.
This is the entry-level class for criminalists. Criminalists in this class perform simple laboratory tasks.
Examines and interrogates minor offenders using polygraph instruments; prepares questions for the interrogation. Examines items microscopically and analytically for traces of paint, glass, metal, wood, hairs, fibers, chemicals and other substances. Conducts examinations and comparisons of handwriting, paper, ink and altered or fraudulent documents. Conducts firearm identifications and ballistic examinations. Performs chemical and serological examinations for the presence of blood, semen and related materials; performs species determination and identification; performs blood stain typing; interprets results; prepares lab reports. Examines materials for the presence of narcotics, dangerous drugs and toxic agents.
Knowledge of investigative and laboratory techniques, including forensic chemistry; firearm, tool mark, fingerprint, plaster cast and voice-print identifications; crime scene procedures; photography; and polygraph examinations and interrogation procedures. Knowledge of law enforcement practices and procedures. Knowledge of the South Carolina criminal codes. Ability to testify effectively in court. Ability to interpret findings. Ability to prepare scientific reports. Ability to communicate effectively.
Some positions require licensing as a polygraph examiner.
A high school diploma and experience in law enforcement. A bachelor's degree may be substituted for the law enforcement experience.