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About the Technical Investigation Division (TID)

Technical Investigation Division
C. Erwin Piper Technical Center
555 Ramirez Street, Space 212
Los Angeles, CA 90012
Phone 213-473-0630
FAX 213-473-3115

The Technical Laboratory is comprised of five 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 and the Quality Assurance Unit. Most Technical Laboratory personnel operate out of Piper Technical Center. Some field services operate out of the Van Nuys Community Police Station.

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