Doerner Investigations & K9 Detection has teamed up with SwabTek® to increase support for their narcotics and firearm detection operations. Doerner Investigations offers a wide range of investigative services, including strategic canine detection sweeps and search services. As part of their services, they will be using SwabTek’s proprietary presumptive narcotics and gunshot residue field tests. Doerner Investigations serves clients located throughout California's Los Angeles, Ventura, Riverside, and Santa Barbara Counties, targeting schools, drug treatment and rehabilitation centers, entertainment and sports venues, cargo companies, manufacturing hubs, transportation and airline operators, drug-free business and community organizations, and government agencies. Doerner Investigations is your go-to company for all your investigative needs in Southern California.