A state forensics laboratory in a Bay Area county alerted prosecutors that urine tests conducted between 2016 and 2025 may ...

Faulty urine samples were linked to nine cases in Sonoma County and two in Napa County. The California Department of Justice ...

The field of alcohol and drug abuse testing is rapidly evolving, with new drugs continually emerging and new methods for their accurate detection and quantification continuing to be required. Dr. Olof ...

The San Mateo County Sheriff’s Office Forensic Laboratory is retesting hundreds of blood alcohol test results to determine their accuracy, according to the agency. The California Department of Public ...