I do not claim to know all the facts, or really many of them to tell the truth. I am a Christian working my way through the Bible for the first time. I know that many things changed after Jesus Christ came, the Old Testament rules are brutal. Christ teaches a different path that allows for forgiveness of sins, not just punishment of sins.
The nut jobs that keep killing in the name of the moon god allah are just pouring gasoline on a fire. Once the Christians and Jews have enough of it there will be an end put to it. The sad part is that they will have no one to blame but themselves and there will be a lot of innocent lives lost everywhere when it happens.
The next crusade will be uglier than any of the past ones.