A mugshot and rap sheet of Jason Dalton, who police say went on a shooting spree that lasted for hours in Kalamazoo, Mich., on Saturday. Kalamazoo Public Safety hide caption

toggle caption Kalamazoo Public Safety

Guns seized by the police are displayed during an Oct. 2015 news conference in New York. Seth Wenig/AP hide caption

toggle caption Seth Wenig/AP
The U.S. Has A Mass Shooting Epidemic, But No Government Database On Gun Violence
  • Download
  • <iframe src="https://www.npr.org/player/embed/459056018/459084298" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Gary Waters/Getty Images/Ikon Images
When Mass Shootings Happen, How Survivors Learn To Cope
  • Download
  • <iframe src="https://www.npr.org/player/embed/458635220/458662035" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

People hold candles during a vigil for shooting victims in San Bernardino, California. Mark J. Terrill/AP hide caption

toggle caption Mark J. Terrill/AP
After Mass Shootings, People Turn To Prayer — And Prayer Shaming
  • Download
  • <iframe src="https://www.npr.org/player/embed/458505532/458573130" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Nasya Fair and her son Korbyn, 4, look at a growing memorial for the Colorado Springs, Colo., shooting victims. Colorado and California are the latest states at the center of the gun control debate. Brent Lewis/Denver Post via Getty Images hide caption

toggle caption Brent Lewis/Denver Post via Getty Images
From Colorado To California, The Gun Control Debate Has Become Personal
  • Download
  • <iframe src="https://www.npr.org/player/embed/458452100/458503929" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Pictures of the Sandy Hook Elementary School shooting victims are displayed as California Democratic Sen. Dianne Feinstein speaks during a 2013 Senate hearing. Wednesday's shooting in San Bernardino, which killed 14 people, was the deadliest since the 2012 shooting at Sandy Hook, which left 26 people dead. Jewel Samad /AFP/Getty Images hide caption

toggle caption Jewel Samad /AFP/Getty Images

Hundreds of people gathered for a vigil in Roseburg, Ore., Thursday night, after 10 people died and seven others were wounded in a shooting at the local community college. Josh Edelson/AFP/Getty Images hide caption

toggle caption Josh Edelson/AFP/Getty Images
Oregon Community Seeks Answers
  • Download
  • <iframe src="https://www.npr.org/player/embed/445246613/445253914" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

A patient is wheeled into the emergency room at Mercy Medical Center in Roseburg, Ore., following a deadly shooting at Umpqua Community College in Roseburg on Thursday. Aaron Yost/Roseburg News-Review via AP hide caption

toggle caption Aaron Yost/Roseburg News-Review via AP
Hear A Witness Describe The Scene During Shooting
  • <iframe src="https://www.npr.org/player/embed/445034424/445140984" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The casket of Ethel Lance is carried to a hearse following her funeral service on June 25. Lance was one of nine people killed in the shooting at Emanuel AME Church in Charleston. David Goldman/AP hide caption

toggle caption David Goldman/AP

Officials stand by the scene outside a movie theater where a man opened fire on filmgoers Thursday in Lafayette, La. At least two were fatally wounded and seven others injured before the gunman killed himself. Lee Celano/Reuters/Landov hide caption

toggle caption Lee Celano/Reuters/Landov
Chattanoogans Find Killings Of Four Marines 'Incomprehensible'
  • Download
  • <iframe src="https://www.npr.org/player/embed/423740589/423740590" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Charleston residents visit a makeshift memorial for victims of Wednesday's mass shooting at the Emanuel AME Church on Calhoun Steet in Charleston, S.C. Randall Hill/Reuters /Landov hide caption

toggle caption Randall Hill/Reuters /Landov