Inside half-mile long drug tunnel on US-Mexico borderTo play this video you need to enable JavaScript in your browser.This video can not be playedInside half-mile long drug tunnel on US-Mexico borderCloseAuthorities in the US have uncovered the longest drug-smuggling tunnel yet in California.SubsectionUS & CanadaPublished21 April 2016Shareclose panelShare pageCopy linkAbout sharingRead description