Part 2: Two suspects, a man and a woman, were taken down after a massive manhunt and authorities are questioning a third person of interest.
Shootings are not uncommon in San Bernardino, but this was not a normal callout for first responders.
Quick-thinking citizens and fast-acting police track down the terror threat.
A mandatory holiday part may have sparked a deadly shooting late last year in San Bernardino. According to ABC News, a company Christmas party upset ...
Nurse records SWAT teams storming the door at Inland Regional Center; a little boy holds his hands in the air as he escapes.