Responds to crime scenes; determines nature/severity of incident; examines crime scenes for clues, evidence, and latent fingerprints; takes measurements, makes photographic records, and creates sketches/diagrams of crime scenes and evidence; locates, collects, records, preserves, analyzes, and processes evidence; collects or recovers fiber evidence, blood evidence, body fluids, biological samples, gunshot residue, or arson evidence; maintains control and chain-of-custody over physical evidence prior to delivery to department or laboratory; obtains and executes search warrants, seizure warrants, and/or arrest warrants; conducts searches of premises, property, or persons; recovers stolen property; seizes or confiscates illegal substances, contraband, or weapons. Communicates with supervisors, officers, employees, dispatchers, other divisions/departments, law enforcement agencies, fire personnel, emergency/medical personnel, jail personnel, court officials, attorneys, victims, complainants, prisoners, suspects, informants, school personnel, the public, the media, outside agencies, and other individuals as needed to obtain information, coordinate activities, review status of work, exchange information, or resolve problems.