We have an old lady in our neighborhood that keeps bringing home stray cats. The lot next to her is vacant so she fashioned a shed of sorts in one corner of the lot that is hidden by trees. She feeds the cats there sometimes once or twice a day according to her closest neighbors. The cats are not in her house so its not filthy but now we have around 30 stray cats running around the neighborhood. It's getting really hard to walk my dog around the streets without her barking at all the stray cats. We've called the animal shelter and they've taken some of the cats but our neighbor keeps bringing new cats back to the neighborhood.