As fentanyl slips through Nogales, officials try new techniques 12news.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from 12news.com Daily Mail and Mail on Sunday newspapers.
More Americans than ever before are dying because of fentanyl, and agents with Customs and Border Protection's Office of Field Operations say the Mexican cartel could be partly to blame.