Why bother cleaning it? Let them squat in their own filth. They seem to enjoy it.
It's starting to stink up the area around them. Plus, the spectacle they create is causing traffic problems and the people who work in that area are getting annoyed with it.
Some friends and I were there Monday and it's getting pretty ripe around there.
Save tax payer money, and let them scoop their own poop, and fine them if they throw it over a fence. Sounds like good advice. Help them by bringing in more riff raff, misery always likes company.
Wall them in. Put razor wire atop the wall.
Where is Typhoid Mary when you need her?