SAN BERNARDINO, CA - DECEMBER 03: FBI agents and local law enforcement examine the crime scene where suspects of the Inland Regional Center were killed on December 3, 2015 in San Bernardino, California. Police continue to investigate a mass shooting at the Inland Regional Center in San Bernardino that left at least 14 people dead and another 17 injured. (Photo by Sean M. Haffey/Getty Images)
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FBI investigating shootings as an 'act of terrorism'
The Lead
Authorities say they are investigating the San Bernardino attacks as an "act of terrorism." If confirmed, it would be the worst terrorist incident in the U.S. since 9/11. CNN's Pamela Brown reports.
2:22 • Source: CNN
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SAN BERNARDINO, CA - DECEMBER 03: FBI agents and local law enforcement examine the crime scene where suspects of the Inland Regional Center were killed on December 3, 2015 in San Bernardino, California. Police continue to investigate a mass shooting at the Inland Regional Center in San Bernardino that left at least 14 people dead and another 17 injured. (Photo by Sean M. Haffey/Getty Images)
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Law enforcement officers search for the suspects of a mass shooting December 2, 2015 in San Bernardino, California. A man and a woman suspected of carrying out a deadly shooting at a center for the disabled were killed in a shootout with police, while a third person was detained, police said. AFP PHOTO / PATRICK T. FALLON / AFP / Patrick T. Fallon (Photo credit should read PATRICK T. FALLON/AFP/Getty Images)
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SAN BERNARDINO, CA - DECEMBER 02: SWAT officers enter an area where suspects were believed to be after the shooting at the Inland Regional Center on December 2, 2015 in San Bernardino, California. Police continue to search for suspects in the shooting that left at least 14 people dead and another 17 injured. (Photo by Sean M. Haffey/Getty Images)
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