Homeless people tend to have trust issues, but when Phil Costello approaches they typically greet him like family. That’s because Costello, the clinical director for homeless care at Cornell Scott-Hill Health Center in New Haven, puts effort into building relationships and trust so he can get people the medical care they need. Quentin Staggers, homeless for nearly a decade, credits Costello with saving his life. He awoke one day on a bench on the New Haven Green with a blinding headache. He saw Costello and asked for help.