FBI officials said in a news release Wednesday that the 18-year-old has been charged with interstate communications containing a threat to injure the person of another.
According to authorities, Herbert went on the social media app Snapchat on Nov. 12. He allegedly posted a message with an image of a semi-automatic weapon and a threat specifically targeted at Roswell High School.
The message led to Roswell High School being shut down.
The boy remains in custody.