via.kdvr.com
Officials: San Bernardino shooting attacker pledged allegiance to ISIS
SAN BERNARDINO, Calif. -- 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. The posting was by Malik made on an account with a different name, according to one U.S. official. The officials did not explain how they knew Malik made the post.