Somebody had a link to a kill charlie kirk themed groyper site and I think all the bullet etched memes were there. The kids grandma said she didn't know any democrats and republicans don't kill each other so they must have arrested the wrong kid. He is a registered republican and donated to trump*
A classmate called him a reddit kid as of 4-5 years ago (right wingers are circulating a redacted misquote that a classmate called him a "leftist") Like even if the kid wasn't a groyper he was likely being egged on by groypers.
There's also this article going into different ties:https://www.thecanary.co/trending/2025/09/12/charlie-kirk-suspect-is-a-gun-loving-trump-supporter/
All in all he's at the very least alt right.
*this last one may be a name mixup