Michael Medved, idiot:
It’s true that in Christian and Jewish homes some casually religious parents may worry over the faith-based intensity of their offspring. But these concerns involve potential damage to the child himself – who may harm his career, or wear funny clothes, or embarrass the family by handing out obnoxious tracts. No Christian or Jewish parents need worry, however, that the intensifying religiosity of a child will lead to acts of violence against others, or to suicide as a means of gaining “paradise.”
Allow me to introduce... James Kopp. Here's an article about his murder trial (yes, this Christian shot someone and defended his actions on the basis of his Christian convictions). The headline here is interesting: "Slepian's Killer Grandstanding for His Fanatical Right-Wing Fan Club."
And while we're on the topic, let's meet Yigal Amir. He assassinated Yitzhak Rabin because Rabin signed the Oslo accords. Amir was... a right-wing Jew!
Extremists with guns are extremists with guns. Horrific violence has been perpetrated by Christians, Jews, Muslims, communists, free-marketeers. But if it makes you all warm and fuzzy to say that your crazies are better than someone else's, hey, knock yourself out.