Up until recently, an eerie recording reverberated 24 hours a day in the usually quiet Staten Island neighborhood of Arrochar: "This building is not safe for humans. The community wants you to go back to New York City. Immigrants are not safe here. "
The loudspeaker was pointed at a new migrant shelter, assembled at what was once a Catholic school. One of several shelters on Staten Island, it now houses 60 people.
