That's just the excuse they've been trained to shout so they can get off scot-free should they ever end up in court, just like "stop resisting". Saying that the

That's just the excuse they've been trained to shout so they can get off scot-free should they ever end up in court, just like "stop resisting". Saying that they "feared for their life" makes what would otherwise be murder or manslaughter into a legal application of deadly force.