Cities have learned this the hard way over and over again. You can't just concentrate your homeless population in a single camp or shelter. You need to put them

Cities have learned this the hard way over and over again. You can't just concentrate your homeless population in a single camp or shelter. You need to put them up in normal homes and apartments. It's almost a fundamental law of community policing. You need to surround your vulnerable and dangerous persons with communities that will help police themselves.