There’s even more details on other news articles. The guy was making explicit threats to a lot of people:
"I want to stand over Bragg and put a nice hole in his forehead with my 9mm and watch him twitch as a drop of blood oozes from the hole as his life ebbs away to hell!!” he wrote
"The time is right for a presidential assassination or two,” Robertson reportedly wrote in a September 2022 Facebook post. “First Joe then Kamala!!!”
"Hey FBI, you still monitoring my social media? Checking so I can be sure to have a loaded gun handy in case you drop by again,” he wrote in one post.