Law enforcement officers collected more than 500 shell casings and five firearms from the scene of Friday's shooting that killed DeKalb County police officer David Rose near the CDC's Clifton Road headquarters and Emory University.

GBI Director Chris Hosey told reporters the shooter, 30-year-old Patrick Joseph White, was armed with five firearms that belonged to his father. The shooter had no known prior criminal history.

The Georgia Bureau of Investigation has released a photo of the suspected gunman in the targeted attack at the Centers for Disease Control and Prevention. The GBI did not say when the picture of Patrick Joseph White,