Yeah, we've been chatting on plurk! Nothing solid yet though. If it's just murder, shooting him from afar would be your best shot (pun intended), which Rorschach would be offended about because that's not a very honorable way to die. But since all his friends are on board, I imagine it's more of a capture situation? Which would probably be easiest done by someone getting close during the event and sedating him because otherwise it took an entire SWAT team to bring him down in his canon and who wants to deal with that (I mean, if people do actually want to deal with that, I'm all for it).