- End stages of a terminal illness where the only thing left in life is laying in bed feeling pain. Better to go in relative peace than agony.

- While lost or stuck somewhere and you know for a 100% fact that you are going to die of exposure soon. Imagine being trapped under a fallen boulder in the desert and all you have within reach is your gun.

- Someone who has a terminal illness that wants to go out in a blaze of glory for a cause they believe in.