NPR's Pentagon Correspondent, Tom Bowman, receives a shocking tip from a trusted source: A deadly explosion during the Iraq War was an accident—friendly fire, covered up by the Marine Corps—and the son of a powerful politician may have been involved. Listen to the full story in NPR's Embedded podcast.

In Episode 6: A battle for the GOP in Idaho. Plus: "confrontational politics." What it is and how the Dorr brothers are popularizing it. And an unexpected update about the Dorr family.

In Episode 5: We're reminded that this country's relationship with guns has always been about race. So we trace the history of the No Compromise movement back to a meeting of white nationalists in Colorado in the early 1990s.

A behind the scenes conversation with hosts Lisa Hagen and Chris Haxel. We hear how they got the idea for the show, their own relationship to guns and what's next on the podcast. Plus questions from fans like you.

In Episode 4: The Dorr brothers have become known for their network of ultra pro-gun Facebook groups. But their family name has also been connected to an extreme religious movement that has sought to eliminate public education, outlaw homosexuality and replace all laws with rules from the Old Testament. Lisa and Chris dig into the roots of the Dorr family to learn more.

In Episode 3: Aaron Dorr tells his flock of pro-gun followers on Facebook that he's tirelessly fighting for their Second Amendment rights. But if that's true, why do so many pro-gun Republican lawmakers hate him so much? And is the Dorr brothers' no-compromise approach to advocacy actually working?

In Episode 2, hear how the Dorr brothers have used Facebook Live to grow their fanbase and convert disaffected NRA members over to their side. It has to do with social media savvy, expensive suits, red flag laws, and making their fans feel seen and heard in a way the NRA simply can't.

One of the same far-right groups behind this spring's anti-quarantine protests also plays a big role in a burgeoning "No Compromise" gun rights movement. Its members see the NRA as too amenable to gun control measures. Two reporters begin their journey to understand the Dorr Brothers and their followers.

A new investigative series that takes you deep into the most uncompromising corner of the gun debate.