The Rev. Rob Schenck, of the National Clergy Council (right), and the Rev. Patrick Mahoney, director of the Christian Defense Coalition, pray in front of the J. Barrett Prettyman Federal Courthouse in Washington, D.C., in 2005. Schenck is a pro-life activist who believes gun ownership and the use of guns is a decision best decided by community leaders, not the government. Mark Wilson/Getty Images hide caption

toggle caption Mark Wilson/Getty Images
An Evangelical Leader's Changing Views On Gun Ownership
  • Download
  • <iframe src="https://www.npr.org/player/embed/447250761/447451448" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Photos of victims of the mass shooting at Umpqua Community College in Roseburg, Ore., are displayed behind Portland Police Sgt. Peter Simpson (left) and Douglas County Sheriff John Hanlin. Rich Pedroncelli/AP hide caption

toggle caption Rich Pedroncelli/AP
Gun Debate Divides Nation's Police Officers, Too
  • Download
  • <iframe src="https://www.npr.org/player/embed/446866939/447098768" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

New York state's 2013 gun law includes a ban on the sale of so-called military-style assault weapons like this AR-15 rifle. Charles Krupa/AP hide caption

toggle caption Charles Krupa/AP
Flouting The Law, Some New Yorkers Won't Register Guns
  • Download
  • <iframe src="https://www.npr.org/player/embed/425966334/425978842" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Elizabeth Shirley's lawsuit, which resulted in a settlement for $132,000, could send a message to gun dealers across the country. But for now, the precedent will only have weight in Kansas. Ethan Miller/Getty Images hide caption

toggle caption Ethan Miller/Getty Images
Kansas Lawsuit Settlement Sets Standard For Gun Seller Liability
  • Download
  • <iframe src="https://www.npr.org/player/embed/420576176/421359577" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Rick Ector trains new gun owners at a range just outside of Detroit. He supports more African-Americans getting permits to carry concealed weapons. Martin Kaste/NPR hide caption

toggle caption Martin Kaste/NPR
More African-Americans Support Carrying Legal Guns For Self-Defense
  • Download
  • <iframe src="https://www.npr.org/player/embed/396869889/396976018" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Colorado educators take part in a concealed carry course in Englewood, Colo., on Nov. 8. The course is open to all state school employees. Participants who complete the training are eligible to apply for a permit to carry a handgun. MATTHEW STAVER/Landov hide caption

toggle caption MATTHEW STAVER/Landov
Colorado Pushes For Concealed Guns In K-12 Schools
  • Download
  • <iframe src="https://www.npr.org/player/embed/389245938/389454467" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

In 2010, Omar Thornton killed eight colleagues in Manchester, Conn., before killing himself. Private employers used to create their own rules about guns on their property. But over the past five years, many states have adopted laws that allow employees to keep firearms in their vehicles at work. Douglas Healey/Getty Images hide caption

toggle caption Douglas Healey/Getty Images
Do Guns On The Premises Make Workplaces Safer?
  • Download
  • <iframe src="https://www.npr.org/player/embed/369833958/370395055" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Firearms for sale at a gun show in Annapolis, Md., on April 14. Andrew Harnik /The Washington Times /Landov hide caption

toggle caption Andrew Harnik /The Washington Times /Landov

This AR-15 style weapon was on display in March at the 7th annual Border Security Expo in Phoenix, Ariz. It's among the type of weapons that advocates of new gun laws want to see banned. Joshua Lott /Reuters /Landov hide caption

toggle caption Joshua Lott /Reuters /Landov

A Bushmaster rifle, similar to the type used by Adam Lanza during the shooting at Sandy Hook Elementary School, and some ammunition magazines. The sale and possession of this type of weapon, and high-capacity magazines, will be severely restricted in Connecticut under new legislation. Michelle McLoughlin /Reuters /Landov hide caption

toggle caption Michelle McLoughlin /Reuters /Landov

After training, teachers and other staffers in South Dakota could choose to bring guns with them to school if their districts want to set up "sentinel" programs. Jim Urquhart /Reuters /Landov hide caption

toggle caption Jim Urquhart /Reuters /Landov

Former Rep. Gabby Giffords, D-Ariz., and her husband Mark Kelly at Wednesday's Senate hearing about gun violence. Chip Somodevilla/Getty Images hide caption

toggle caption Chip Somodevilla/Getty Images