Crimes and violence are the part of the society as long as religion, unfortunately
Some religions, yes... but others no.
When a person says he is a Christian and that is his religion, if he doesn't follow it, is it really his religion? Or is he a liar?
Check out the New Testament, the whole basis for Christianity. There is no call for violence other than self defense a little. Just the opposite. There are only calls for religious, Christian peace in the NT. The problem is people.
And if you want to say that Islam is the religion of peace, check all the places the Quran says to do violence: https://bitcointalk.org/index.php?topic=888757.msg10381547#msg10381547.
But what is the real chiristianity? It has been changing through years. Moreover, the Bible can be understood in many different ways