However the way WP keeps burning in air could be related to the unnecessary suffering clause.
The only problem here is that this is as sketchy as the purported claims of unnecessary suffering causing by the round itself. WP and WP ammo are not precluded for use against human targets by international law.
"If you look through your scope and see your shoe, aim higher."
-- said to me by my 11 year old daughter before going out for hogs 8/13/2011