Evil on the level displayed by these things has been known in history. Supporters and participants of such evil have equally been eviscerated in their time, as these things should be in theirs.
Pictures of decapitated and raped women and children have been distributed, and the response has been a long time in coming. Is there a straw that breaks the camels back? One hopes the video taken by the refuse who call themselves Islamic State may be it. I fear it is not, which may expose a greater concern than people may want to consider.