“Shave the SOB first.”
Burn the beard off. Then slather him in bacon grease, then light him on fire.
Then put it on Al Jazeera.
Put this caption on it:
“All your martyrdom belongs to us. No virgins for porkers.”
Stuff the ashes in a pigskin bag, and air mail it to Mecca.
Just duct tape it to an ICBM.
That would discourage copycats far more than any prison sentence or even the death penalty.