During the Middle Ages, when witches were burned at the stake, (al la St. Joan) the executioner would attach little sacks of gun powder under their armpits. This charity would hasten the burning.
I say no gunpowder for this perp!
This guy needs three things:
A hole deep enough to bury him in up to his neck.
A can of honey to pour over his head with a thin trail leading to:
A large active anthill.