Golden Retriever Goose, a drug-sniffing dog at the Mexico border, helps combat fentanyl smuggling.

Golden Retriever Goose, a key asset in America's fight against fentanyl at the Mexico border, uses his sense of smell to locate illicit drugs. Goose, along with other dogs, works in San Diego's busy border crossing, contending with exhaust fumes and unpredictable workdays. By detecting illicit substances, these dogs help reduce the flow of deadly synthetic opioids into the U.S.