Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

An investigator looks at a Black SUV that was involved in a police shootout with suspects, Thursday, Dec. 3, 2015, in San Bernardino, Calif.  A heavily armed man and woman opened fire Wednesday on a holiday banquet, killing multiple people and seriously wounding others in a precision assault, authorities said. Hours later, they died in a shootout with police.  (AP Photo/Jae C. Hong)
An investigator looks at a Black SUV that was involved in a police shootout with suspects, Thursday, Dec. 3, 2015, in San Bernardino, Calif.  A heavily armed man and woman opened fire Wednesday on a holiday banquet, killing multiple people and seriously wounding others in a precision assault, authorities said. Hours later, they died in a shootout with police.  (AP Photo/Jae C. Hong)

    JUST WATCHED

    Investigators find ISIS connection in shooting

MUST WATCH

Investigators find ISIS connection in shooting

As the San Bernardino attack was happening, investigators believe the female shooter, Tashfeen Malik, posted on Facebook, pledging allegiance to ISIS leader Abu Bakr al-Baghdadi, three U.S. officials familiar with the investigation told CNN.

Investigators find ISIS connection in shooting

As the San Bernardino attack was happening, investigators believe the female shooter, Tashfeen Malik, posted on Facebook, pledging allegiance to ISIS leader Abu Bakr al-Baghdadi, three U.S. officials familiar with the investigation told CNN.