According to court documents, the housemates had been arguing over parties the Jewish student hosted. One of the roommates, Robert Romer, is alleged to have posted antisemitic memes in a group chat for the residents over several days in mid-October, including a photo of Hasidic Jewish men under the heading “Battle of $18.20.” On Oct. 21, Romer texted the house, “I am going to attempt to free Palestine. Anyone is welcome to join in on the beating,” which the Jewish student interpreted as a threat against him, according to court records. Two days later, the student alleged, Romer tried to...