I'm increasingly suspicious the more often this happens, and the more conveniently it happens for Piggy's insatiable appetite for attention. The main reason I doubt it is that I doubt Piggy is intelligent enough to do this so often without getting caught. And if it's the serial swatter we suspect it is, that's also odd because generally, the really prolific swatters don't often return to the scene of a crime because that's how you get caught.
The fact they keep responding in force is also suspicious, almost as if they suspect Fatty is doing this to himself, are tired of him embarrassing them in the media, and hope to catch him somehow. You'd think after the fifth or so time that they'd send over a bored rookie or something.
That or they think Piggy is actually potentially dangerous whether or not he's being swatted. Or they hate his guts and just like fucking with him and watching him squeal like the pig he is, while putting on their best stone-faced cop act.
Maybe this time he just took a picture of some other random shit in his neighborhood and claimed it was somehow him. I'm not sure why you'd call the fire department for violence.