Give me a rifle and put me in the room with a gunman or suicide bomber seconds before he acts and I'll shoot the bastard without a second thought.
As long as you know he's a gunman/bomber fair enough, but the problem when people start taking things into their own hands is it becomes no better than a witch hunt and people often get it wrong.
You need to correct your definition of murder; it's not always murder when someone kills another human being.
Killing a suicide bomber before he detonates isn't murder.
Killing a burglar in your home isn't murder.
Killing an enemy during wartime is not murder.
Accidentally killing someone isn't murder.
I think I already pulled myself up on this one.
You're wrong. But they're just as happy to kill fellow Muslims, so they're equal opportunity terrorists.
Am I? Well thanks for letting me know. Pretty much like an American troop wiping out a family of Iraqis then blowing up a British transport for good measure. Good to know that equal opportunity is so widespread!