Hold it right there.
President Obama's call for better electronic gun-safety systems put a spotlight on the technologies currently in the R&D pipeline that aim to make sure only authorized users can fire a gun.
Barack Obama delivers a statement on steps the administration is taking to reduce gun violence.
Changes proposed by the president's executive order are limited. Even Barack Obama admits they wouldn't have stopped recent mass shootings.
Legal or illegal, the US is awash in guns.
Though the perpetrators of the mass shooting in California appear to have acquired their guns legally, the vast majority used in violent crimes are obtained illegally.
A Syrian refugee.
A look back at a year marked by terrorism, gun violence and clashes between police and African Americans.
A protest outside the National Shooting Sports Foundation in Newtown, Connecticut, March 28 2013.
Thanks to a funding ban passed two years ago, the CDC and other federal groups that study health have been avoiding gun violence research.
A memorial for 20-year-old UCSB student Christopher Michael-Martinez one of nine crime scenes in the Isla Vista neighborhood of Santa Barbara, California in 2014.
America’s gun violence problem actually is producing policy reform. It's just that most of this activity is happening on the state level and has received little attention in the national media.
Speaking to the nation December 6.
Winston Churchill famously suggested that: You can always count on Americans to do the right thing – after they’ve tried everything else. Speaking with his characteristic mix of the compassionate and cerebral…
Metro Shooting Supplies employee Chris Cox speaks to a customer about the purchase of a 9mm handgun in Bridgeton, Missouri, November 13 2014.
Research on background checks for gun purchases suggests there is an increase in gun acquisition a few months after a mass shooting happens.
A longing for power and social status mixed with hormones and fear can have deadly consequences.
'Man' via www.shutterstock.com
Why is there always a man behind the trigger? And why is it almost always a young man?
Mimoyecques, in Calais, where Hitler built his supergun.
Hitler's plan for a weapon that would outgun the allies was doomed – but one engineer has been trying to find out how it worked.
The sad truth is that it's all too easy to get hold of automatic weapons in Europe.
Why does misinformation about firearm violence still appear so regularly in Australian commentary?
If we want to develop truly effective policies to reduce gun violence and its impacts on individuals, families and communities, we need to start basing Australian debate on Australian facts.
A man walks among crosses outside Pretoria, South Africa, representing farmers killed in violent attacks.
South Africa's homicide rates have declined consistently since democracy, but remain among the highest in the world. They are about four times the global average at more than 30 per 100,000 people.
Are licensed gun owners automatically good citizens? The evidence says no.
We should not downplay the significant contribution to early mortality posed by previously law-abiding gun owners who, in the heat of the moment, decide to kill.
Hungry for information: the media, here covering the shooting in Oregon, falls into now-familiar patterns in covering mass shootings.
The media repeatedly creates instant profiles of public shooters as shy, troubled loners, perpetuating the sense of helplessness over mass killings.
Obama calls for changes to gun laws after the shootings in Oregon, October 1 2015.
Researchers explain why gun violence is a public health emergency, why 'a good guy with a gun' isn't a solution – and why we know so little about how to solve this problem.
A vigil for the victims of a mass shooting in Umpqua Community College in Roseburg, Oregon.
President Barack Obama has praised gun laws in Australia and the UK. How did they work?
A memorial to murdered journalists Alison Parker and Adam Warm lies outside the offices of WDBJ7.
New research suggests mass shootings are not just due to gun ownership, but gun culture.
A screen shot of on-air shooting video before CNN decided to fade to black.
Mainstream media and social media go different ways on the ethical questions raised by the airing of video showing on-camera shooting of journalists.
Do certain ‘types’ of guns make mass shootings more likely to occur?
What interventions might be most useful for reducing the incidence of mass shootings? What lessons should other countries really learn from Australia's experience?