Soon after Luigi Manion was accused of killing United Healthcare CEO Brian Thompson, the meme started celebrating the cold-blooded murder, treating the alleged killer like a hero. >> He's become a symbol uh for this really enormous and radical and maybe unprecedented change in American culture. >> Anthropologist Max Hoarder works with the Network Contagion Research Institute studying online threats.We're no longer uh so ashamed of this violence, but actually there's a large percentage of people that actuall ...