El Chapo Highlighted Mexican Corruption, but Drug Money Also Lubricates U.S. Border

In the Rio Grande Valley, drug money has been an undeniable presence. One local professor called it WD-40 — “the oil that makes the machinery work.”

source https://www.nytimes.com/2019/02/18/us/drugs-crossing-border.html?partner=rss&emc=rss