In Nogales, a push to target plaza bosses to stem fentanyl smuggling into U S tucsonsentinel.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tucsonsentinel.com Daily Mail and Mail on Sunday newspapers.
US authorities looked into allegations that associates of Mexican President Andres Manuel Lopez Obrador had ties with ruthless drug cartels south of the border, according to a report. A formal criminal investigation was never opened.