FBI scales back its presence in Chattanooga following July 16 rampage

Investigators with the FBI Evidence Response Team and NCIS search a pull-off along the Tennessee River from River Canyon Road on July 30 in Chattanooga, Tenn.
photo Investigators with the FBI Evidence Response Team and NCIS search a pull-off along the Tennessee River from River Canyon Road on Thursday, July 30, 2015, in Chattanooga, Tenn. About 200 FBI investigators are still in Chattanooga to investigate the July, 16 shootings.

photo A U.S. official says the gunman in the shootings in Tennessee has been identified as 24-year-old Muhammad Youssef Abdulazeez, according to the Associated Press.

The investigation into 24-year-old Mohammad Youssef Abdulazeez's July 16 on two military sites in Chattanooga is focused on two key questions, the FBI agent in charge said Wednesday.

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