No view of the head, it may have been "canoed", dunno.

Regardless,....they walked past that idiot without ensuring he was not going to reach / reclaim his sidearm

Stone dead, or just knocked out ?

Looks like the others armed themselves, to.

One should have secured the aggressor's potential for further threat.

GTC

Member, Clan of the Border Rats
-- “Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.”- Mark Twain