How do gun retailers like Wal-Mart react to mass shootings?

While police and others in Orlando unpack the events of early Sunday morning it’s appropriate to, yet again, look at the business of guns in America. The FBI says the guns used in the Orlando shooting were purchased legally. But do large companies like Wal-Mart and Dick’s Sporting Goods — both firearm retailers — change their operations in the wake of mass shootings like this? And how do mom-and-pop shops play into the gun economy?

Kai Ryssdal spoke with Shannon Pettypiece who covers the gun industry for Bloomberg News. Click the audio player above to hear the full story.