About the SID Technical LaboratoryTechnical Laboratory
C. Erwin Piper Technical Center
555 Ramirez Street
Los Angeles, CA 90012
The Technical Laboratory is comprised of four specialized units that provide support services to investigative personnel in the Department - the Latent Print Unit, the Photographic Unit, the Polygraph Unit, and the Electronics Unit. Most Technical Laboratory personnel operate out of Piper Technical Center. Some field services operate out of the Van Nuys Community Police Station.