Forensic Laboratory Division

May 22, 2024

What is the process for obtaining a discovery packet for an impaired driving or sexual assault case where I am the legal representative?

Please contact the San Francisco District Attorney’s Office.

How do I schedule an Offer of Opinion meeting with a Forensic Toxicologist Expert?

Please send an email to stating your request alongside any and all materials (offer of opinion form, forensic toxicology report, police report, other relevant information, etc.) the Expert is to consider.

I need a Forensic Toxicologist Witness and/or Expert witness to appear in court, what are the next steps?

Please first schedule an offer of opinion as described above. Then issue and email a subpoena to Please ensure the subpoena includes the correct OCME Case Number and the Forensic Toxicologist Witness and/or Expert’s name. Subpoenas are expected to be delivered at least 5 business days in advance to needed testimony.