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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)
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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Timeline: How San Bernardino rampage unfolded

CNN's Jake Tapper reports.

Timeline: How San Bernardino rampage unfolded

CNN's Jake Tapper reports.