. >> i am ricky moore, a clerk at the san francisco medical examiner's office. i assist the pathology and toxicology and investigative team around work close with the families, loved ones and funeral establishment. >> i started at the old facility. the building was old, vintage. we had issues with plumbing and things like that. i had a tiny desk. i feet very happy to be here in the new digs where i actually have room to do my work. >> i am sue pairing, the toxicologist supervisor. we test for alcohol, drugs and poisons and biological substances. i oversee all of the lab operations. the forensic operation here we perform the toxicology testing for the human performance and the case in the city of san francisco. we collect evidence at the scene. a woman was killed after a robbery homicide, and the dna collected from the zip ties she was bound with ended up being a cold hit to the suspect. that was the only investigative link collecting the scene to the suspect. it is nice to get the feedback. we do a lot of work and you don't hear the result. once in a while you h