In 1998, when John Keller joined the St. Paul-based Immigrant Law Center of Minnesota (ILCM) as an immigration attorney, he would often drive to Worthington, where hundreds of low-income immigrants and refugees depended on the organization’s free legal services. “We would do workshops, answer a bunch of questions, do in-takes and represent whoever we could help,” said Keller. Then one day in 2006, a year after he was named ILMC’s executive director, federal immigration agents raided a meatpacking