References in classic literature ?
before the arrival of the moon at the point aimed at.
Sheldon aimed at the centre of his chest, then deliberately shifted the aim to his right shoulder, and, with the thought, "That will put him out of business," pulled the trigger.
The bullet struck so low down that probably his antagonist would never have aimed at that part of him--people never do; he would have aimed at his chest or head; so that probably the bullet hit him accidentally.