The for-profit prison company GEO Group has threatened to sue the human rights group Dream Defenders, which is planning a national day of action today to protest the private prison company. GEO Group is Immigration and Customs Enforcement’s single biggest contractor, receiving hundreds of millions of dollars to run private immigrant prisons. The Dream Defenders are planning to disrupt GEO Group operations in cities across the United States today, including in Florida, Arizona, California and New York City.