Ioan Grillo (@ioangrillo) is a contributing writer at The New York Times specializing in crime and drugs. He is the author of El Narco: Inside Mexico's Criminal Insurgency; Gangster Warlords: Drug Dollars, Killing Fields, and the New Politics of Latin America; and Blood Gun Money: How America Arms Gangs and Cartels. [This is part two of a two-part episode. Make sure to check out part one here!]

What We Discuss with Ioan Grillo:

• The Iron River may sound like something you'd find on a map of Westeros, but it's just a quaint term for the 200,000 guns manufactured or sold in the US moving across the border to Mexico every year.
• The private-sale loophole that allows "collectors" in the US to sell guns without requiring identification, background checks, or paperwork — often to criminals and cartels at a tidy profit.
• How "straw buyers" — that is, people with clean records — are paid by gun traffickers to pass background checks and buy firearms en masse without raising any red flags. If they are arrested in the act, however, their punishment rarely exceeds probation.
• There are 130,000 licensed firearms dealers in the US from which ill-intentioned gun traffickers can make their shady purchases. If that doesn't sound like that many, consider that there are only 14,000 McDonald's restaurants.
• Thanks to a Reagan-era law enacted ostensibly to protect the privacy of gun owners, the ATF finds its ability to efficiently trace guns hobbled because it can't use searchable, digital databases of sales.
• And much more...

Full show notes and resources can be found here: jordanharbinger.com/701

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Miss the conversation we had with behavioral economist Dan Ariely about the invisible (and often frustrating) clockwork that makes us tick? Catch up with episode 417: Dan Ariely | The Hidden Logic That Shapes Our Motivations here!

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