Overview

• The FBI says it opened a July assessment into a social media account discussing a mass shooting after an ADL tip but never learned the user’s identity.
• Agents continued trying to identify the account holder up to Sept. 10, so no federal arrest or further action occurred before the shooting.
• ADL reporting details a revolver photo posted hours before the attack and months of extremist symbols, Columbine emulation, and activity on a violent gore site.
• Jefferson County officials say the shooter, Desmond Holly, acted alone, used a revolver, repeatedly reloaded, and was thwarted by locked doors from reaching more students.
• Two students remain hospitalized as multiple agencies assist searches of the suspect’s phone, home, and locker, and investigators describe the family as cooperative.