he must be hanged in open squre and let every passer by do what he wishes to do with such henious criminal. these persons are enemy of mankind. i am hindu and have studid holy kuran also and i did not found any where that kill some one on the name of allah. person like him are guilty to almighty. what jihad they are fighting, jihad is for killing enemy within your himself. he must be punished so that other can learn a tough lesson.