It wasn't and it was explained why in the video. The immigrants have more people living there then allowed on the lease. To keep the landlord from noticing an overabundance of trash from so many individuals living there they take the trash and dump in somewhere in the neighborhood.

People are well aware of the fact that illegal immigrants live two to three families to a home. Each family basically lives out of one bedroom in the home, it's well established and why they can make it on seven dollars an hour here.