This article documents what it describes as “antisemitic dog whistle” posts by the U.S. Department of Homeland Security. A number of the posts were ads by Immigration and Customs Enforcement (ICE) in its effort to recruit thousands of new agents to implement the Trump administration’s goal of rounding up and deporting millions of undocumented immigrants. The revelations show that the Trump administration’s drive to “combat antisemitism” on U.S. campuses and elsewhere is a sham.