About Us


Lyn O'Connor is a Sergeant in the Crime Scene Investigations Unit of the San Francisco Police Department actively working cases every day. She has been in law enforcement for 20 years and believes that crime scene processing is her calling. She has processed an excess of 4000 crime scenes specializing in latent fingerprint development and identification, bloodstain pattern analysis and crime scene reconstruction.

She has testified in San Francisco Superior Court, San Mateo Superior Court, and US Federal Court as an expert in fingerprint development and identification, crime scene processing and bloodstain pattern analysis.

Sergeant O'Connor attends training every year in all disciplines of forensics, believing that you can always learn something from someone else, no matter how long you have been doing the job.