Sometimes, the real truth of a story takes decades to unveil. And when that story involves drug running, police corruption in Mexico and the Iran-Contra affair, maybe it’s amazing that the wait is only a few decades.

In a piece for The Arizona Republic, investigative reporter Dennis Wagner has written about former Mexico City Police Chief Arturo Durazo Moreno, also known as El Negro, and his ties to Iran-Contra in the 1980s, among other things.

And Wagner joins me.