Services are concentrated on Skid Row, where firms say conditions have worsened.

It's easier to camp on public land now, and there's less room in shelters.

Experiment in housing for homeless is completed in L.A. – and health-care costs fall.

Los Angeles has long steered its homeless population to a border area of downtown rarely seen except by those who work there and the homeless. Now redevelopment is pressing against Skid Row, and advocates are taking steps to secure homes for the homeless.