Promptly at 5 p.m. every weekday, Marlena Mendoza, a 37-year-old migrant from El Salvador, leaves her room inside a makeshift shelter in Brooklyn and heads to pick up her son from school.
The morning drop offs and evening pick-ups on weekdays are the only certainties she has, not knowing how long she will be able to stay at the Crown Heights shelter as well as in the United States.
