CBP Main on the struggle from fentanyl Within an unmarked developing at an undisclosed location in California, hidden in the vault and locked behind safety gates, are A huge number of kilos of fentanyl and its chemical precursors seized by U.S. Customs and Border Security officers. Nicole Sganga has more. https://baidubookmark.com/story19355642/little-known-facts-about-viral-stories-from-social-media