Police chief: Christmas festivities may have sparked San Bernardino attack
California tightens gun laws in aftermath of San Bernardino, Orlando
FBI admits it reset San Bernardino shooter's iPhone password
GOP senator unloads: 'Apple chose to protect a dead ISIS terrorist's privacy over the security of the American people'
Apple opposes order to help unlock Calif. shooter's phone
San Bernardino shooting victim's widow files $58M in claims
Philadelphia police probe possible extremist ties in police shooting
Trump: 'I will get rid of gun-free zones on schools' my first day in the White House
California shooter's spouse visa approved despite questions, lawmaker says
Hillary Clinton unveils plan to stop spread of ISIS
NBC/WSJ poll: Terror fears reshape 2016 landscape
Search for shooters' hard drive concludes in California lake
San Bernardino shooters may have been plotting attacks for years
US probing California shooters' financial transfers: Sources
Stephen Colbert: 'Why is it so easy to buy bullets when I have to show 3 forms of ID to buy Sudafed?'
Obama: Terror threat against US has entered 'new phase'
Americans stock up on weapons after California shooting
Obama to discuss security, Islamic State after California attack
Exclusive: California shooters likely planned multiple attacks - official
Tashfeen Malik, mom in California rampage, became very devout: Report
'This is not Redlands': Community in shock after mass shooting
President Obama to address nation Sunday on terror threat, cancels Kennedy Center Honors appearance
Obama calls no-fly list gun ownership loophole 'insane'
San Bernardino shooter was teased about beard, family lawyers say
Ted Cruz, conservative media blast 'out of touch' NY Times for front-page gun editorial
Ted Cruz: 'You stop bad guys by using our guns'
A GoFundMe campaign is accepting donations for families of those killed in the San Bernardino massacre
The New York Times just published its first front-page editorial since 1920 -- and it's slamming gun violence in America
Exclusive: Investigators piece together portrait of Pakistani woman in shooting massacre
New Yorker's alarming new cover mixes guns and groceries