The thing making it hard to make conclusions about the shell casings is that the groypers have co-opted a number of antifa slogans (via deep irony poisoning), i

The thing making it hard to make conclusions about the shell casings is that the groypers have co-opted a number of antifa slogans (via deep irony poisoning), in particular including "Bella Ciao" in a playlist of anti-Charlie Kirk "Groyper War" songs. I think the killer was probably a groyper, but there are certainly ample grounds for confusion.