At first, many witnesses say, the sharp staccato sounds seemed like part of the nightclub's pounding music. Then they realized: It was gunfire, and it wasn't stopping.
State police say they arrested a 45-year-old man who has since been identified as a driver for Uber. Among the dead: four women who were shot in a Cracker Barrel parking lot.
In 2012, journalist Mark Follman searched for comprehensive data about America's mass shootings and found that very little existed. So he and his colleagues began compiling a database of their own.
Tragic events like the recent San Bernardino and Colorado Springs attacks leave behind witnesses who try to process what they've seen. Two survivors of past shootings share how they carry the trauma.
After the mass shooting in San Bernardino, many took to Twitter to send prayers, and were then called out for not doing more. It prompted NPR's Scott Simon to muse on the power of prayer.
The two states in the news over the past week with high profile mass shootings have taken big steps in recent years to tighten gun laws. Is a focus on open carry or mental health the best way forward?
The shooting in San Bernardino, Calif., was the 355th mass shooting in the U.S. this year, or a little more than one per day. And it was wasn't even the only mass shooting on Wednesday.
The shootings in San Bernardino have raised a familiar question, one that a linguist and a political scientist say keeps coming up because the line can be tough to draw.