There is definitely a particularly strong and foul demon that festers over this city. But will such an enterprise that bishop is undertaking have any real effect, in light of the gimmicky approach of a water borne dispersion unit?
Prayer and fasting ought to be done on a massive scale.
Frankly, they are going to need a bigger bucket.
Or a few squadrons of helicopters (I see in my mind's eye a Catholic version of that scene from Apocalypse Now. Gregorian chant played through the speakers.)
Get to da choppa!