Thanks are due to Lane Ferrante for discovering this gold mine of a link. 

Why a gold mine?  Because the bow-hunters always try to justify their evil pleasure by arguing that they always recover their quarries and the deer never die a lingering death.  And here is this site-forum in which they openly confess the contrary.  See for yourselves.

http://www.rubsnscr apes.com/ Articles/ deer_shot_ placement_ anatomy.php