The indictment (in U.S. v. Levy-Armstrong) is here. The allegations are that defendants violated 18 U.S.C. § 241 which in relevant part makes it a crime to
conspire to injure, oppress, threaten, or intimidate any person … in the free exercise or enjoyment of any right or privilege secured to him by the Constitution or laws of the United States
and 18 U.S.C. § 248(a)(2), which in relevant part makes it a crime to
