Craig Hammer is a Special Agent Supervisor for the California Bureau of Narcotic Enforcement. He is currently assigned to the Los Angeles Regional Office as the supervisor of the Clandestine Laboratory Task Force, responsible for the identification and interdiction of methamphetamine labs. Mr. Hammer is an instructor at the California Department of Justice Advanced Training Center, teaching Basic Clandestine Laboratory Investigations and the Clandestine Laboratory Safety Certification. He has qualified as an expert witness in the manufacture of methamphetamine in U.S. District Courts in California, Georgia, Iowa, Missouri, and New York.