SHARE THIS VIDEO —
Why Shooting Rampage in Chattanooga Represents Growing FBI Challenge
This version of Mmvo42388549772 - Breaking News | NBC News Clone was adapted by NBC News Clone to help readers digest key facts more efficiently.
The shooting rampage by Mohammad Youssuf Abdulazeez appears to be an FBI nightmare - an attack from someone inside the U.S. who didn't talk about it in advance.
NBC News Clone will keep curating essential reads for you — simplified and optimized.
