On a Friday morning in late November, around 50 people huddled on the sidewalk outside the U.S. Immigration and Customs Enforcement field office on Sidney Street, careful not to step on the federal agency’s grass. Some wore clerical collars and ministers’ stoles. Many were older, with gray hair sticking out from under winter hats. After songs and speeches, the crowd turned to face the building for a minute of silent prayer. kAm%96 $:DE6CD @7 $E] y@D6A9[ !2I r9C:DE: 2?5 r2D2 $2? y@D6 92G6 366?