[Video 7:38] Human Feces, Other Biohazards on San Diego Sidewalks Cost City Nearly $1 Million Every Year NBC 7’s Alexis Rivas takes a look at the issues behind filth on public streets, and the price tag for cleaning it up. NBC Universal, Inc. Taxpayers in San Diego spend nearly $1 million each year sanitizing sidewalks from biohazards, including needles, personal hygiene waste and human feces. It’s a problem that is not only gross, it's also a major public-health threat some say the city isn’t doing enough to fix. “Maybe this is really gross,” said Sherman Heights resident Essence McConnell, “but...