Note: This article contains troubling details.

Harrowing 911 audio reveals a witness’s account as a gunman unleashed a barrage of bullets on the Centers for Disease Control and Prevention, including the moment the first responding officer was fatally shot.

The 8 minute, 14 second call, released Thursday by Atlanta police, provides new details of the Aug. 8 attack that killed DeKalb County police Officer David Rose . The incident, which began shortly before 5 p.m. on a Friday, forced a lengthy lockdown of Emory University and the CDC and left the public health agency’s buildings riddled with bullet holes.

“There’s an active shooter. Please, there are no police here yet,” says the panicked man at the start of the 911 call.

The caller, who is not identified in the recording, hurried

See Full Page